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Grain Boundary Engineering
- S. Tokita, M. Ikeshoji, G. Yamada, K. Kurihara, H.
Kokawa, Y.S. Sato, H.T. Fujii: Effect of post-GBE strain on weld decay
resistance of grain boundary engineered 304 austenitic stainless steel, Science
and Technology of Welding and Joining, 20 (2015), 702-707.
- G. Yamada, H. Kokawa, Y. Yasuda, S. Tokita, T.
Yokoyama, Y.S. Sato, H.T. Fujii, S. Tsurekawa: Effect of post-GBE
strain-sensitisation on corrosion resistance of grain boundary engineered 304
austenitic stainless steel, Philosophical Magazine, 93 (2013), 1443-1453.
- N. Sakaguchi, M. Endo, S. Watanabe, H. Kinoshita,
S. Yamashita, H. Kokawa: Radiation-induced segregation and corrosion behavior
on ƒ°3 coincidence site lattice and random grain boundaries in proton-irradiated
type-316L austenitic stainless steel, Journal of Nuclear Materials, 434 (2013),
65-71.
- S. Saito, K. Kikuchi, D. Hamaguchi, M. Tezuka, M.
Miyagi, H. Kokawa, S. Watanabe: Corrosion-erosion test of SS316L grain boundary
engineering material (GBEM) in lead bismuth flowing loop, Journal of Nuclear
Materials, 431 (2012), 91-96.
- Masayoshi Kawai, Hiroaki Kurishita, Hiroyuki
Kokawa, Seiichi Watanabe, Norihito Sakaguchi, Kenji Kikuchi, Shigeru Saito,
Toshimasa Yoshiie, Hiroshi Iwase, Takahiro Ito, Satoshi Hashimoto, Yoshihisa
Kaneko, Masatoshi Futakawa, Shiori Ishino and JSPS Grant Team: Development of
Advanced Materials for Spallation Neutron Sources and Radiation Damage
Simulation Based on Multi-Scale Models stir welds, Journal of Nuclear
Materials, 431 (2012), 16-25.
- M. Sekine, N. Sakaguchi, M. Endo, H. Kinoshita, S.
Watanabe, H. Kokawa, S. Yamashita, Y. Yano, M. Kawai: Grain boundary
engineering of austenitic steel PNC316 for use in nuclear reactors, Journal of
Nuclear Materials, 414 (2011), 232-236.
- K. Kurihara, H. Kokawa, S. Sato, Y.S. Sato, H.T. Fujii, M. Kawai: Grain
boundary engineering of titanium-stabilized 321 austenitic stainless steel,
Journal of Materials Science, 46 (2011), 4270-4275.
- H. Kokawa: Potential of grain boundary engineering to suppress welding degradations of austenitic stainless steels, Science and Technology of Welding and Joining, 16 (2011), 357-362
- Wei Zhong Jin, Hiroyuki Kokawa, Zhan Jie Wang, Yutaka S. Sato and Nobuyoshi Hara: Improvement of transpassive intergranular corrosion resistance of 304 austenitic stainless steel by thermomechanical processing for twin-induced grain boundary engineering, ISIJ International, 50 (2010), 476-481.
- H. Kokawa, M. Michiuchi, M. Shimada, Z.J. Wang, Y.S. Sato, Grain Boundary Engineering of Austenitic Stainless Steels, Proceedings of the 8th International Conference on Trends in Welding Research, edited by S.A. David, T. DebRoy, J.N. DuPond, T. Koseki, H.B. Smartt, ASM International, June 1-6, 2008, Callaway Gardens Resort, Pine Mountain, Georgia, USA, (2009), p.11-16.
- M. Kawai, H. Kokawa, M. Michiuchi, H. Kurishita, T. Goto, M. Futakawa,
T. Yoshiie, A. Hasegawa, S. Watanabe, T. Yamamura, N. Hara, A. Kawasaki
and K. Kikuchi, Present status of study on development of materials resistant
to radiation and beam impact, Journal of Nuclear Materials, 377-1 (2008),
21-27.
- Sen Yang, Zhan Jie Wang, Hiroyuki Kokawa and Yutaka S. Sato: Reassessment
of the effects of laser surface melting on IGC of SUS 304, Materials Science
and Engineering A, 474-1/2 (2008), 112-119.
- W.Z. Jin, S. Yang, H. Kokawa, Z.J. Wang, Y.S. Sato, Improvement of intergranular
stress corrosion crack susceptibility of austenite stainless steel through
grain boundary engineering, Journal of Materials Science and Technology,
23-6 (2007), 785-789.
- S. Yang, H. Kokawa and Z.J. Wang: Effects of Laser Processing Parameters
on Grain Boundary Character Distribution and Corrosion Resistance of Austenitic
Stainless Steel, Materials Science Forum, 561-565 (2007), 2473-2476.
- H. Kokawa, M. Shimada, M. Michiuchi, Z.J. Wang and Y.S. Sato, Arrest of
weld-decay in 304 austenitic stainless steel by twin-induced grain boundary
engineering, Acta Materialia, 55-16 (2007), 5401-5407.
- Sen Yang, Zhan Jie Wang, Hiroyuki Kokawa Yutaka S. Sato: Grain boundary
engineering of 304 stainless steel by laser surface melting and annealing,
Journal of Materials Science, 42-3 (2007), 847-853.
- H. Kokawa, W. Z. Jin, Z. J. Wang, M. Michiuchi, Y. S. Sato, W. Dong and
Y. Katada: Grain Boundary Engineering of High Nitrogen Austenitic Stainless
Steel, Materials Science Forum, 539-543 (2007), 4962-4967.
- M. Michiuchi, H. Kokawa, Z.J. Wang, Y.S. Sato and K. Sakai: Twin-induced
grain boundary engineering for 316 austenitic stainless steel, Acta Materialia,
54-19 (2006), 5179-5184.
- Masayoshi Kawai, Hiroyuki Kokawa, Hiroshi Okamura,
Akira Kawasaki, Tsutomu Yamamura, Nobuyoshi Hara, Noboru Akao, Masatoshi
Futakawa and Kenji Kikuchi: Development of resistant materials to beam impact
and radiation damage, Journal of Nuclear Materials, 356-1-3 (2006), 16-26.
- R. Ishibashi, T. Horiuchi, J. Kuniya, M. Yamamoto, S. Tsurekawa, H. Kokawa,
T. Watanabe and T. Shoji: Effects of Grain Boundary Character Distribution
on Stress Corrosion Cracking Behavior in Austenitic Stainless Steels, Materials
Science Forum, 475-479/1-5 (2005), 3863-3866.
- H. Kokawa: Weld decay-resistant austenitic stainless steel by grain boundary
engineering, Journal of Materials Science, 40-4 (2005), 927-932.
- Sen Yang, Zhan-Jie Wang and Hiroyuki Kokawa: Optimization of GBCD by Combining
Laser Surface Melting with Annealing Heat Treatment, Proceedings of SPIE,
5th International Symposium on Laser Precision Microfabrication, The International
Society of Optical Engineering, Vol.5662 (2004), 349-354.
- Hiroyuki Kokawa, Masayuki Shimada, Zhan Jie Wang,
Yutaka S. Sato and Masato Michiuchi: Grain Boundary Engineering for
Intergranular Corrosion Resistant Austenitic Stainless Steel, Key Engineering
Materials, 261-263 (2004), 1005-1010.
- Hong Yun Bi, Hiroyuki Kokawa, Zhan Jie Wang,
Masayuki Shimada and Yutaka S. Sato: Suppression of chromium depletion by grain
boundary structural change during twin-induced grain boundary engineering of
304 stainless steel, Scripta Materialia, 49-3 (2003), 219-223.
- Masayuki Shimada, Hiroyuki Kokawa, Zhan Jie Wang
and Yutaka S. Sato: Effect of Twin-induced Grain Boundary Engineering on
Intergranular Corrosion in Austenitic Stainless Steel, Proceedings of the 6th
International Conference on Trends in Welding Research, Georgia, USA, Edited by
S. A. David, T. DebRoy, J. C. Lippold, H. B. Smartt and J. M. Vitek, ASM
International, (2003), pp.93-98.
- Hiroyuki Kokawa, Masayuki Shimada, Zhan Jie Wang and Yutaka S. Sato: Intergranular Corrosion-Resistant Stainless Steel by Twin-Induced Grain Boundary Engineering, Annales de Chimie, Science des Materaix, 27, Suppl.1, (2002), S315-S325.
- Masayuki Shimada, Hiroyuki Kokawa, Zhan Jie Wang, Yutaka S. Sato and Isao Karibe: Optimization of Grain Boundary Character Distribution for Intergranular Corrosion Resistant 304 Stainless Steel by Twin-Induced Grain Boundary Engineering, Acta Materialia, 50-9 (2002), 2331-2341.
- Hiroyuki Kokawa, Masayuki Shimada, Zhan Jie Wang and Yutaka S. Sato: Production
of Intergranular Corrosion-Resistant Stainless Steel by Twin-Induced Grain
Boundary Engineering, Proceedings of the 7th Inter-University Research
Seminar on Materials Science, Welding, Joining and Allied Processes, Bratislava,
Slovakia, Edited by P. Orszagh, ATP Technika, (2002), 5-11.
- Masayuki Shimada, Hiroyuki Kokawa, Zhan Jie
Wang and Yutaka S. Sato: Prevention of
Weld
Decay of Austenitic Stainless Steel by
Twin-induced
Grain Boundary Engineering, Proceedings
of
the 7th International Welding Symposium
on
Today and Tomorrow in Science and Technology
of Welding and Joining, JWS, Kobe, Japan,
2, (2001), 681-686.
- Masayuki Shimada, Hiroyuki Kokawa, Zhang
Jie Wang and Yutaka S. Sato: Arrest of Intergranular
Corrosion in Austenitic Stainless Steel by
Twin-Induced Grain Boundary Engineering,
Proceedings of Asian Pacific Conference on
Fracture and Strength '01 & International
Conference on Advanced Technology in Experimental
Mechanics '01, JSME, 2, (2001), 1036-1040.
- Hiroyuki Kokawa, Takashi Koyanagawa, Masayuki
Shimada, Yutaka S. Sato and Takeshi Kuwana:
Dependence of Carbide Precipitation on Grain
Boundary Structure in Sensitized Austenitic
Stainless Steel, Properties of Complex Inorganic
Solids 2, ed. by A. Meike et al., Kluwer
Academic/Plenum Publishers, New York, (2000),
17-26.
- Hiroyuki Kokawa, Masayuki Shimada and Yutaka
S. Sato: Grain-Boundary Structure and Precipitation
in Sensitized Austenitic Stainless Steel,
Journal of The Minerals, Metals & Materials
Society, 52(7), (2000), 34-37.
- Hiroyuki Kokawa, Masayuki Shimada and Yutaka
S. Sato: Arrest of Weld Decay of Austenitic
Stainless Steel by Grain Boundary Engineering,
Proceedings of International Workshop on
Fundamental Study and Its Application of
Intelligent Nano and Mesoscopic Structured
Materials by Field Control, ISRE 2000, (2000),
91-105.
- Hiroyuki Kokawa, Masayuki Shimada and Yutaka
S. Sato: Effect of Grain Boundary Structure
on Weld Decay of 304 Austenitic Stainless
Steel, Proceedings of J. J. Jonas Symposium
on Thermomechanical Processing of Steel,
edited by S. Yue and E. Essadiqi, COM 2000,
CIM, (2000), 581-593.
- ZHAN-JIE WANG, SADAHIRO TSUREKAWA, KENJI
IKEDA, TAKASHI SEKIGUCHI, TADAO WATANABE:
Relationship between Electrical Activity
and Grain Boundary Structural Configuration
in Polycrystalline Silicon, INTERFACE SCIENCE,
7, (1999), 197-205.
Friction Stir Welding
- D. Yi, T. Onuma, S. Mironov, Y.S. Sato, H. Kokawa:
Evaluation of heat input during friction stir welding of aluminium alloys, Science
and Technology of Welding and Joining, (2016), in press.
- Y.S. Sato, T. Onuma, K. Ikeda, H. Kokawa: Experimental
verification of heat input during friction stir welding of Al alloy 5083, Science
and Technology of Welding and Joining, 21 (2016), 325-330.
- S. Mironov, T. Onuma, Y.S. Sato, H. Kokawa: Microstructure
evolution during friction-stir welding of AZ31 magnesium alloy, Acta
Materialia, 100 (2015), 301-312.
- S. Mironov, K. Inagaki, Y.S. Sato, H. Kokawa: Microstructural
evolution of pure copper during friction-stir welding, Philosophical Magazine,
95 (2015), 367-381.
- Y.S. Sato, H. Kokawa, H.T. Fujii, Y. Yano, Y. Sekio:
Mechanical properties and microstructure of dissimilar friction stir welds of
11Cr-ferritic/martensitic steel to 316 stainless steel, Metallurgical Materials
Transactions A, 46 (2015), 5789-5800.
- S. Mironov, K. Inagaki, Y.S. Sato, H. Kokawa: Effect
of welding temperature on microstructure of friction stir welded aluminum alloy
1050, Metallurgical and Materials Transactions A, 46 (2015), 783-790.
- Y.S. Sato, M. Miyake, S. Susukida, H. Kokawa, T.
Omori, K. Ishida, S. Imano, S.H.C. Park, I. Sugimoto, S. Hirano: Performance
enhancement of Co-based alloy tool for friction stir welding of ferritic steel,
Friction Stir Welding and Processing VIII, Published by John Wiley & Sons,
Inc., Hoboken, NJ, USA, (2015), 39-46.
- S. Mironov, K. Inagaki, Y.S. Sato, H. Kokawa: Development
of grain structure during friction-stir welding of Cu-30Zn brass, Philosophical
Magazine, 94 (2014), 3137-3148.
- P. Hua, S. Mironov, C.Z. Nie, Y.S. Sato, H. Kokawa,
S.H.C. Park, S. Hirano: Microstructure and properties in friction stir weld of
12Cr steel, Science and Technology of Welding and Joining, 19 (2014), 76-81.
- Y. Yano, Y.S. Sato, Y. Sekio, S. Ohtsuka, T. Kaito,
R. Ogawa, H. Kokawa: Mechanical properties of friction stir welded 11Cr-ferritic/martensitic
steel, Journal of Nuclear Materials, 442 (2013), S524-S528.
- J.J. Jeon, S. Mironov, Y.S. Sato, H. Kokawa, S.H.C.
Park, S. Hirano: Grain structure development during friction stir welding of
single-crystal austenitic stainless steel, Metallurgical and Materials
Transactions A, 44 (2013), 3157-3166.
- J. Jeon, S. Mironov, Y.S. Sato, H. Kokawa, S.H.C.
Park, S. Hirano: Anisotropy of structural response of single crystal austenitic
stainless steel to friction-stir welding, Acta Materialia, 61 (2013),
3465-3472.
- Y. Zhao, A.P. Wu, J.L. Ren, Y.S. SatoCH. KokawaCM. Miyake, D.Y. Yan: Temperature
and force response characteristics of friction stir welding on Invar 36
alloy, Science and Technology of Welding and Joining, 18 (2013), 232-238.
- S. Mironov, K. Masaki, Y.S. Sato, H. Kokawa: Texture produced by abnormal
grain growth in friction-stir welded aluminum alloy 1050, Metallurgical
and Materials Transactions A, 44 (2013), 1153-1157.
- S. Mironov, K. Masaki, Y.S. Sato, H. Kokawa: Relationship
between material flow and abnormal grain growth in friction stir welds, Scripta
Materialia, 67 (2012), 983-986.
- Yutaka S. Sato, Yoshito Nagahama, Sergey Mironov,
Hiroyuki Kokawa, Seung Hwan C. Park, Satoshi Hirano: Microstructural studies of
friction stir welded Zircaloy-4, Scripta Materialia, 67 (2012), 241-244.
- J. Jeon, S. Mironov, Y.S. Sato, H. Kokawa, S.H.C.
Park, S. Hirano: Friction-stir spot welding of single crystal austenitic
stainless steel, Acta Materialia, 59 (2011), 7439-7449.
- Y.S. Sato, S. Kurihara, H. Kokawa: Systematic
examination of precipitation phenomena associated with hardness and corrosion
properties in friction stir welded aluminum alloy 2024, Welding in the World,
55 (2011), 39-47.
- Yue Zhao, Yutaka S. SatoCHiroyuki KokawaCAiping Wu: Microstructure characteristics
and properties of friction stir welded Fe-36wt%Ni alloy, Materials Science
and Engineering A, 528 (2011), 7768-7773.
- D.H. Choi, B.W. Ahn, Y.M. Yeon, S.H.C. Park, Y.S.
Sato, H. Kokawa, S.B. Jung: Microstructural Characterizations Following
Friction Stir Welding of Dissimilar Alloys of Low- and High-Carbon Steels, Materials
Transactions, 52 (2011), 1500-1505.
- S. Mironov, Y.S. Sato, H. Kokawa, H. Inoue, S.
Tsuge: Structural response of superaustenitic stainless steel to friction stir
welding, Acta Materialia, 59 (2011), 5472-5481.
- Yutaka S. Sato, Masahiro Miyake, Hiroyuki Kokawa,
Toshihiro Omori, Kiyohito Ishida, Shinya Imano, Seung Hwan C. Park, Satoshi
Hirano: Development of a Co-based alloy FSW tool for high-softening-temperature
materials Friction Stir Welding and Processing VI, Published by John Wiley
& Sons, Inc., Hoboken, NJ, USA, (2011), 3-9.
- S. Mironov, Y.S. Sato, H. Kokawa: Microstructural
evolution during friction stir welding of Ti-15V-3Cr-3Al-3Sn alloy, Materials
Science and Engineering A, 527 (2010), 7498-7504.
- Y. Zhang, Y.S. Sato, H. Kokawa, S.H.C. Park and S.
Hirano: Grain structure and microtexture in friction stir welded commercial
purity titanium, Science and Technology of Welding and Joining, 15 (2010),
500-505.
- D.-H. Choi, C.-Y. Lee, B.-W. Ahn, Y.-M. Yeon,
S.-H.C. Park, Y.S-. Sato, H. Kokawa and S.-B. Jung: Effect of fixed location
variation in friction stir welding of steels with different carbon contents, Science
and Technology of Welding and Joining, 15 (2010), 299-304.
- Y.S. Sato, A. Shiota. H. Kokawa, K. Okamoto, Q.
Yang and C. Kim: Effect of interfacial microstructure on lap shear strength of
friction stir spot weld of aluminium alloy to magnesium alloy, Science and
Technology of Welding and Joining, 15 (2010), 319-324.
- M. Fujimotio, D. Watanabe, N. Abe, Y.S. Sato, H.
Kokawa: Effect of Process Time and Thread on Tensile Shear Strength of Al Alloy
Lap Joint Produced by Friction Stir Spot Welding, Welding International, 24 (2010),
169-175.
- S. Mironov, Q. Yang, H. Takahashi, I. Takahashi, K.
Okamoto, Y.S. Sato, H. Kokawa: Specific character of material flow in
near-surface layer during friction stir processing of AZ31 magnesium alloy, Metallurgical
and Materials Transactions A, 41 (2010), 1016-1024.
- U.F.H.R. Suhuddin, S. Mironov, Y.S. Sato, H. Kokawa:
Grain structure and texture evolution during friction stir welding of thin 6016
aluminum alloy sheets, Materials Science and Engineering A, 527 (2010),
1962-1969.
- T. Huang, Y.S. Sato, H. Kokawa, M.P. Miles, K. Kohkonen, B. Siemssen, R.J.
Steel, and S. Packer: Microstructural Evolution of DP980 Steel During Friction
Bit Joining, Metallurgical and Materials Transactions A, 40 (2009), 2994-3000.
- U.F.H.R. Suhuddin, S. Mironov, Y.S. Sato, H.
Kokawa, C.W. Lee: Grain structure evolution during friction stir welding of
AZ31 magnesium alloy, Acta Materialia, 57 (2009), 5406-5418.
- R. Ohashi, M. Fujimoto, S. Mironov, Y.S. Sato and H. Kokawa, Microstructural
Characterization of High-Strength Steel Lap Joint Produced by Friction
Spot Joining, Metallurgical and Materials Transactions A, 40-9 (2009),
2033-2035.
- S. Mironov, Y.S. Sato, H. Kokawa, Development of grain structure during
friction stir welding of pure titanium, Acta Materialia, 57-15 (2009),
4519-4528.
- R. Ohashi, M. Fujimoto, S. Mironov, Y.S. Sato, H. Kokawa, Friction spot
joining of high strength steel sheets for automotives, Welding in the World,
53-5/6 (2009), 23-27.
- Y. Zhang, Y.S. Sato, H. Kokawa, S. Hirano, S.H.C. Park, Microstructure
and Mechanical Properties of Friction Stir Welded Ti-15V-3Al-3Cr-3Sn Alloy,
Proceedings of the 8th International Conference on Trends in Welding Research,
edited by S.A. David, T. DebRoy, J.N. DuPond, T. Koseki, H.B. Smartt, ASM
International, June 1-6, 2008, Callaway Gardens Resort, Pine Mountain,
Georgia, USA, (2009), p.413-416.
- Yutaka S. Sato, Kei Nakamura, Hiroyuki Kokawa, Shuji Narita, Tetsuya Shimizu,
Microstructure and properties of friction stir welded 1.3wt%N containing
steel, Proceedings of Friction Stir Welding and Processing-V Symposium,
TMS 2008 Meeting, Edited by R.S. Mishra, T.J. Lienert, M.W. Mahoney February
15-19, 2009, San Francisco, CA, USA, (2009), 67-73.
- R. Ohashi, M. Fujimoto, S. Mironov, Y.S. Sato and H. Kokawa, Effect of
contamination on microstructure in friction stir welded DP590 steel, Science
and Technology of Welding and Joining, 14-3 (2009), 221-227.
- Y.S. Sato, N. Harayama, H. Kokawa, H. Inoue, Y. Tadokoro and S. Tsuge,
Evaluation of microstructure and properties in friction stir welded superaustenitic
stainless steel, Science and Technology of Welding and Joining, 14-3 (2009),
202-209.
- Sergey Mironov, Yutaka S. Sato and Hiroyuki Kokawa, Applications of EBSD
to Microstructural Control in Friction Stir Welding/Processing (Chapter
21), in gElectron Backscatter Diffraction in Materials Science (Second
Edition)h, edited by Adam J. Schwartz, Mukul Kumar, Brent L. Adams and
David P. Field, Springer, (2009), 291-300.
- S.H.C.
Park, Y.S. Sato, H. Kokawa, K. Okamoto, S. Hirano and M. Inagaki, Boride
formation induced by pcBN tool wear in friction-stir-welded stainless steels,
Metallurgical Materials Transactions A, 40-3 (2009), 625-636.
- M. Fujimoto, S. Koga, N. Abe, Y.S. Sato and H. Kokawa, Microstructural
analysis of stir zone of Al alloy produced by friction stir spot welding,
Science and Technology of Welding and Joining, 13-7 (2008), 663-670.
- S. Mironov, Y. Zhang, Y.S. Sato and H. Kokawa, Crystallography of transformed
b microstructure in friction stir welded Ti-6Al-4V alloy, Scripta Materialia,
59-5 (2008), 511-514.
- S. Mironov, Y.S. Sato and H. Kokawa, Microstructural evolution during friction
stir processing of pure iron, Acta Materialia, 56-11 (2008), 2602-2614.
- Y. Zhang, Y.S. Sato, H. Kokawa, S.H.C. Park and S. Hirano, Stir zone microstructure
of commercial purity titanium friction stir welded using pcBN tool, Materials
Science and Engineering A, 488-1/2 (2008), 25-30.
- Kunitaka Masaki, Yutaka S. Sato, Masakatsu Maeda and Hiroyuki Kokawa, Experimental
Estimation of Strain Rate during FSW of Al-Alloy using Plane-Strain Compression,
Materials Science Forum, 580-582 (2008), 299-302.
- Hiroyuki Kokawa, Seung Hwan C. Park, Yutaka S. Sato,
Kazutaka Okamoto, Satoshi Hirano, and Masahisa Inagaki, Microstructural
Evolution in 304 Austenitic Stainless Steel during Friction Stir Welding,
Materials Science Forum, 580-582 (2008), 9-12.
- S. Mironov, Y. Zhang, Y.S. Sato and H. Kokawa, Development of grain structure
in beta-phase field during friction stir welding of Ti-6Al-4V alloy, Scripta
Materialia, 59-1 (2008), 27-30.
- Y. Zhang, Y.S. Sato, H. Kokawa, S.H.C. Park and S. Hirano, Microstructural
characteristics and mechanical properties of Ti-6Al-4V friction stir welds,
Materials Science and Engineering A, 485-1/2 (2008), 448-455.
- Y.S. Sato, P. Arkom, H. Kokawa, T.W. Nelson and R.J. Steel, Effect of microstructure
on properties of friction stir welded Inconel Alloy 600, Materials Science
and Engineering A, 477-1/2 (2008), 250-258.
- Kunitaka Masaki, Yutaka S. Sato, Masakatsu Maeda and Hiroyuki Kokawa, Experimental
simulation of recrystallized microstructure in friction stir welded Al
alloy using plane-strain compression test, Scripta Materialia, 58-5 (2008),
355-360.
- Yutaka S. Sato, Hideaki Yamanoi, Hiroyuki Kokawa and Tadashi Furuhara,
Characteristics of microstructure in ultrahigh carbon steel produced during
friction stir welding, ISIJ International, 48-1 (2008), 71-76.
- Y.S. Sato, H. Yamanoi, H. Kokawa and T. Furuhara, Microstructural evolution
of ultrahigh carbon steel during friction stir welding, Scripta Materialia,
57-6 (2007), 557-560.
- Y.S. Sato, H. Watanabe and H. Kokawa, Grain growth phenomena in friction
stir welded 1100 Al during post-weld heat treatment, Science and Technology
of Welding and Joining, 12-4 (2007), 318-323.
- S. H. C. Park, Y. S. Sato, H. Kokawa, K. Okamoto, S. Hirano and M. Inagaki:
Microstructure of Friction-Stir-Welded High-Nitrogen Stainless Steel, Materials
Science Forum, 539-543 (2007), 3757-3762.
- Y. S. Sato, A. Sasaki, A. Sugimoto, A. Honda and H. Kokawa: Enhancement
of Formability in Magnesium Alloy AZ31B Via Friction Stir Processing, Materials
Science Forum, 539-543 (2007), 3775-3780.
- Y. S. Sato, M. Urata, Y. Kurihara, S. H. C. Park, H. Kokawa, K. Ikeda and
N. Tsuji: Microstructural Evolution during Friction Stir Welding of Ultrafine
Grained Al Alloys, Materials Science Forum, 503-504 (2006), 169-174.
- Yutaka S. Sato, Hideaki Takauchi, Seung Hwan C. Park and Hiroyuki Kokawa:
Characteristics of the kissing-bond in friction stir welded Al alloy 1050,
Materials Science and Engineering A, 405-1/2 (2005), 333-338.
- Y.S. Sato, M. Urata, Y. Kurihara, S.H.C. Park, H. Kokawa, K. Ikeda and
N. Tsuji: Microstructural Evolution during Friction Stir Welding of Ultrafine
Grained Al Alloys, Material Science Forum, 503-504 (2006), 169-174.
- Y.S. Sato, T.W. Nelson, C.J. Sterling, R.J. Steel, C.-O. Pettersson: Microstructure
and mechanical properties of friction stir welded SAF 2507 super duplex
stainless steel, Materials Science and Engineering A, 397 (2005), 376-384.
- Y.S. Sato, T.W. Nelson, C.J. Sterling: Recrystallization in type 304L stainless
steel during friction stirring, Acta Materialia, 53-3 (2005), 637-645.
- Hiroyuki Kokawa, Seung Hwan C. Park, Yutaka S. Sato, Kazutaka Okamoto,
Satoshi Hirano and Masahisa Inagaki: Microstructural Evolution in Austenitic
Stainless Steels during Friction Stir Welding, Proceedings of the 8th Inter-University
Research Seminar (IURS) on Science and Technology of Welding and Joining,
Frontiers of Welding and Joining - Processes, Materials, and Automation
for the Future, edited by Q.Chen, Y. Zhou, D.Du, A. Wu, H. Zhao, B. Chang,
Tsinghua University, Beijing, China, August 15-16, 2005, 135-147.
- S. H. C. Park, Y. S. Sato, H. Kokawa, K. Okamoto, S. Hirano and M. Inagaki:
Microstructural characterisation of the stir zone containing residual ferrite
in friction stir welded 304 austenitic stainless steel, Science and Technology
of Welding and Joining, 10-5 (2005), 550-556.
- Yutaka S. Sato, Pisuit Arkom, Seung Hwan C. Park, Hiroyuki Kokawa, Tracy
W. Nelson, Russell J. Steel: Properties and microstructure of friction
stir welded Inconel Alloy 600, Proceedings of High Performance Materials
Symposium on Advanced Welding of Structural Materials at the 15th International
Offshore and Polar Engineering Conference (ISOPE 2005), Seoul, Korea, June
19-24, 2005, Vol. IV, pp. 13-17.
- Seung Hwan C. Park, Yutaka S. Sato, Hiroyuki Kokawa, Kazutaka Okamoto,
Satoshi Hirano and Masahisa Inagaki: Microstructure and mechanical properties
of friction stir welded 430 stainless steel, Proceedings of High Performance
Materials Symposium on Advanced Welding of Structural Materials at the
15th International Offshore and Polar Engineering Conference (ISOPE 2005),
Seoul, Korea, June 19-24, 2005, Vol. IV, pp. 6-12.
- S. H. C. Park, Y. S. Sato, H. Kokawa, K. Okamoto, S. Hirano and M. Inagaki:
Corrosion properties in friction stir welded 304 austenitic stainless steel,
Welding in the World, 49-3/4 (2005), 63-68.
- H. Kokawa, S. H. C. Park, Y. S. Sato, K. Okamoto, S. Hirano and M. Inagaki:
Microstructures in friction stir welded 304 austenitic stainless steel,
Welding in the World, 49-3/4 (2005), 34-40.
- Y. S. Sato, S. H. C. Park, A. Matsunaga, A. Honda and H. Kokawa: Novel
production for highly formable Mg alloy plate, Journal of Materials Science,
40 (2005), 637-642.
- Hiroyuki
Kokawa, Seung Hwan C. Park, Yutaka S. Sato, Kazutaka Okamoto, Satoshi Hirano
and Masahisa Inagaki: Microstructural Evolution of 304 Austenitic Stainless
Steel during Friction Stir Welding, Proceedings of Friction Stir Welding
Symposium at The 14th International Society of Offshore and Polar Engineers (ISOPE
2004), Toulon, France, May 23-28, Vol. IV, 2004, 73-77.
- S. H. C. Park, Y. S. Sato, H. Kokawa, K. Okamoto, S. Hirano and M. Inagaki:
Corrosion resistance of friction stir welded 304 stainless steel, Scripta
Materialia, 51-2 (2004), 101-105.
- Yutaka S. Sato, Seung Hwan C. Park, Masato Michiuchi and Hiroyuki Kokawa:
Constitutional liquation during dissimilar friction stir welding of Al
and Mg alloys, Scripta Materialia, 50-9 (2004), 1233-1236.
- Yutaka S. Sato, Yusuke Sugiura, Yohei Shoji, Seung Hwan C. Park, Hiroyuki
Kokawa and Keisuke Ikeda: Post-weld formability of friction stir welded
Al alloy 5052, Materials Science and Engineering A, 369/1-2 (2004), 138-143.
- Yutaka S. Sato, Fumie Yamashita, Yusuke Sugiura, Seung Hwan C. Park and
Hiroyuki Kokawa: FIB-assisted TEM study of an oxide array in the root of
a friction stir welded aluminium alloy, Scripta Materialia,50-3 (2004),
365-369.
- Y. S. Sato, Y. Kurihara, S. H. C. Park, H. Kokawa and N. Tsuji: Friction
stir welding of ultrafine grained Al alloy 1100 produced by accumulative
roll-bonding, Scripta Materialia, 50-1 (2004), 57-60.
- Seung Hwan C. Park, Yutaka S. Sato, Hiroyuki Kokawa, Kazutaka Okamoto,
Satoshi Hirano and Masahisa Inagaki: Rapid formation of the sigma phase
in 304 stainless steel during friction stir welding, Scripta Materialia,
49-12 (2003), 1175-1180.
- Seung Hwan C. Park, Yutaka S. Sato, Hiroyuki Kokawa: Microstructural evolution
and its effect on Hall-Petch relationship in friction stir welding of thixomolded
Mg alloy AZ91D, Journal of Materials Science, 38-21 (2003), 4379-4383.
- Yutaka S. Sato, Mitsunori Urata, Hiroyuki Kokawa and Keisuke Ikeda: Effect
of Friction Stirring on Microstructure in Equal Channel Angular Pressed
Aluminum Alloys, Materials Science Forum, 426-432 (2003), 2947-2952.
- Seung Hwan C. Park, Yutaka S. Sato and Hiroyuki
Kokawa: Effect of micro-texture on fracture location in friction stir weld of Mg
alloy AZ61 during tensile test, Scripta Materialia, 49-2 (2003), 161-166.
- Yutaka S. Sato, Mitsunori Urata, Hiroyuki Kokawa and Keisuke Ikeda: Hall-Petch
relationship in friction stir welds of equal channel angular pressed aluminium
alloys, Materials Science and Engineering A, 354/1-2 (2003), 298-305..
- Seung Hwan C. Park, Yutaka S. Sato and Hiroyuki Kokawa: Basal Plane Texture
and Flow Pattern in Friction Stir Weld of a Magnesium Alloy, Metallurgical
and Materials Transactions A, 34A-4 (2003), 987-994..
- Yutaka S. Sato, Mitsunori Urata, Hiroyuki Kokawa
and Keisuke Ikeda: Reproduction of Ultra-Fine Grains in Equal Channel Angular
Pressed Al alloy 5083 by Friction Stir Process, Proceedings of the 6th International
Conference on Trends in Welding Research, Georgia, USA, Edited by S. A. David,
T. DebRoy, J. C. Lippold, H. B. Smartt and J. M. Vitek, ASM International, (2003),
pp.262-266.
- Seung Hwan C. Park, Yutaka S. Sato, Hiroyuki Kokawa and Tadayoshi Tsukeda:
Improvement of Mechanical Properties in Thixomolded Mg alloy AZ91D by Friction
Stir Welding, Proceedings of the 6th International Conference on Trends
in Welding Research, Georgia, USA, Edited by S. A. David, T. DebRoy, J.
C. Lippold, H. B. Smartt and J. M. Vitek, ASM International, (2003), pp.267-272.
- Yutaka S. Sato, Mitsunori Urata, Hiroyuki Kokawa and Keisuke Ikeda: Recovery
Retardation in Equal Channel Angular Pressed Al-Zr Alloy during Friction
Stir Welding, Scripta Materialia, 47-12 (2002), 869-873.
- Yutaka S. Sato, Mitsunori Urata, and Hiroyuki Kokawa: Parameters Controlling Microstructure and Hardness during Friction Stir Welding of Precipitation-Hardenable Aluminum Alloy 6063, Metallurgical and Materials Transactions A, (2002), 33A-3 (2002), 625-635.
- Yutaka S. Sato, Seung Hwan C. Park, Hiroyuki
Kokawa: Microstructural Factors Governing
Hardness in Friction-Stir-Welds of Solid-Solution-Hardened
Al Alloys, Metallurgical and Materials Transactions
A, 32A(12), (2001), 3033-3042.
- Yutaka S. Sato, Hiroyuki Kokawa: Distribution
of Tensile Property and Microstructure in
Frction Stir Weld of 6063 Aluminum, Metallurgical
and Materials Transactions A, 32A(12), (2001),
3023-3031.
- Yutaka S. Sato, Mitsunori Urata, Hiroyuki
Kokawa and Keisuke Ikeda: Effect of Friction
Stir Processing on Microstructure and Hardness
Profile of Equal Channel Angular Pressed
Aluminum Alloy 1050, Proceedings of the 7th
International Welding Symposium on Today
and Tomorrow in Science and Technology of
Welding and Joining, JWS, Kobe, Japan, 1,
(2001), 633-638.
- Seung Hwan C. Park, Yutaka S. Sato and Hiroyuki
Kokawa: Mechanical Properties and Microstructure
in Friction-Stir-Weld of Magnesium Alloy
AZ61, Proceedings of the 7th International
Welding Symposium on Today and Tomorrow in
Science and Technology of Welding and Joining,
JWS, Kobe, Japan, 1, (2001), 639-644.
- Yutaka S. Sato, Hiroyuki Kokawa, Keisuke
Ikeda, Masatoshi Enomoto, Shigetoshi Jogan
and Takenori Hashimoto: Microtexture in The
Friction-Stir Weld of An Aluminum Alloy,
Metallurgical and Materials Transactions
A, 32A(4), (2001), 941-948.
- Yutaka S. Sato, Mitsunori Urata, Hiroyuki
Kokawa, Keisuke Ikeda and Masatoshi Enomoto:
Retention of Fine Grained Microstructure
of Equal Channel Angular Pressed Aluminum
Alloy 1050 by Friction Stir Welding, Scripta
Materialia, 45(1), (2001), 109-114.
- Yutaka S. Sato, Hioryuki Kokawa, Masatosi
Enomoto, Shigetoshi Jogan and Takenori Hashimoto:
Distributions of Hardness and Microstructure
in Friction Stir Weld of Al Alloy 6063, Proceedings
of the 3rd International Symposium on Friction
Stir Welding, Kobe, Japan, 3, (2001), CD-ROM.
- Yutaka S. Sato, Hiroyuki Kokawa: Microstructural
Characteristics in Friction Stir Welded Aluminum
Alloys, Journal of Light Metal Welding and
Construction, 39(1), (2001), 15-21.
- Yutaka S. Sato, Hiroyuki Kokawa, Masatoshi
Enomoto, Shigetoshi Jogan and Takenori Hashimoto:
Precipitation Sequence in Friction-Stir-Weld
of 6063 Aluminum during Aging, Metallurgical
and Materials Transactions A, 30A(12), (1999),
3125-3130.
- Yutaka S. Sato, Hiroyuki Kokawa, Masatoshi
Enomoto, Shigetoshi Jogan: Microstructural
Evolution of 6063 Aluminum during Friction-Stir
Welding, Metallurgical and Materials Transactions
A, 30A(9), (1999), 2429-2437.
Ultrasonic Welding
- Hiromichi T. Fujii, Yuta Goto, Yutaka S. SatoCHiroyuki Kokawa: Microstructure
and lap shear strength of the weld interface in ultrasonic welding of Al
alloy to stainless steel, Scripta Materialia, 116 (2016), 135-138.
- S. Shimizu, H.T. Fujii, Y.S. Sato, H. Kokawa, M.R.
Sriraman, S.S. Babu: Mechanism of weld formation during very-high-power
ultrasonic additive manufacturing of Al alloy 6061, Acta Materialia, 74 (2014),
234-243.
Others
- Shuji Hanada, Naoya Masahashi, Taek Kyun Jung,
Masahiro Miyake, Yutaka S. Sato, Hiroyuki Kokawa: Effect of swaging on Youngfs
modulus of ƒÀ Ti-33.6Nb-4Sn alloy, Journal of the Mechanical Behavior of
Biomedical Materials, 32 (2014), 310-320.
- M. Kondo, H. Nagata, A. Nishimura, H. Kokawa: Degradation
mechanism of electrode tip during resistance spot welding of aluminium alloy
sheets, Science and Technology of Welding and Joining, 16 (2011), 126-132.
- M. Kondo, T. Konishi, K. Nomura, H. Kokawa: Degradation
mechanism of electrode tip during alternate resistance spot welding of zinc-coated
and uncoated steel sheets, Science and Technology of Welding and Joining, 15 (2010),
76-80.
- Wei Dong, Hiroyuki Kokawa, Susumu Tsukamoto and Yutaka S. Sato: Nitrogen
Desorption by High-Nitrogen Steel Weld Metal during CO2 Laser Welding,
Metallurgical and Materials Transactions B, 36B-5 (2005), 677-681.
- Sen Yang, Wenjin Liu, Minlin Zhong, Zhan Jie Wang, Hiroyuki Kokawa. Fabrication
of in-situ synthesized TiC particles reinforced composite coating by powder
feeding laser cladding, Journal of Materials Science, 40-9/10 (2005), 2751-2754.
- A. Fuji, K. Ikeuchi, Y. S. Sato and H. Kokawa: Interlayer growth at interfaces
of Ti/Al-1%Mn, Ti/Al-4.6%Mg and Ti/pure Al friction weld joints by post-weld
heat treatment, Science and Technology of Welding and Joining, 9-6 (2004),
507-512.
- S. Yang, N. Chen, W. J. Liu, M. L. Zhong, Z. J. Wang and H. Kokawa: Fabrication
of nicke composite coatings reinforced with TiC particles by laser cladding,
Surface and Coatings Technology, 183/2-3 (2004), 254-260.
- Wei Dong, Hiroyuki Kokawa, Susumu Tsukamoto, Yutaka S. Sato and Makoto
Ogawa: Mechanism Governing Nitrogen Absorption by Steel Weld Metal during
Laser Welding, Metallurgical and Materials Transactions B, 35B-2 (2004),
331-338.
- Wei Dong, Hiroyuki Kokawa, Yutaka S. Sato and Susumu Tsukamoto: Nitrogen
Absorption by Iron and Stainless Steels during CO2 Laser Welding, Metallurgical
and Materials Transactions B, 34B-1 (2003), 75-82.
- Xiaohui Gai, Yutaka S. Sato, Hiroyuki Kokawa and Kazutoshi Ichikawa: Ductile-brittle
Transition of Steel Electron Beam Weld Metal in Small Punch Test, Science
and Technology of Welding and Joining, 7-4 (2002), 204-211.
- Akiyoshi Fuji, Kei Ameyama, Hiroyuki Kokawa,
Yutaka Satoh and Tom H. North: Properties
of As Welded And Heat Treated Pure Titanium-7075
Al-Zn-Mg Alloy Friction Weld Joint, Science
and Technology of Welding and Joining, 6(1),
(2001), 23-30.
- Akiyoshi FUJI, Hiroyuki KOKAWA and You-Chul
KIM: A Study of Stress-strain, Acoustic Wavevelocity
and Hardness Distributions Across Joint Interface
of Pure Ti/Pure Al Friction Weld Joint, Quarterly
Journal of Japan Welding Society, 18(4),
(2000), 617-627.
- Yoshihiro SATO, Wei DONG, Hiroyuki KOKAWA,
Takeshi KUWANA: Nitrogen Absorption by Iron
And Stainless Steels during YAG Laser Welding,
ISIJ International, 40(Supplement), (2000),
S20-S24.
- Yoshihiro Sato, Hiroyuki Kokawa, Takeshi
Kuwana, Shouichi Sato: Effect of Oxygen on
Shape Recovery and Tensile Properties of
Ti-Ni Alloy Weldments, Quarterly Journal
of the Japan Welding Society, 18(2), (2000),
311-317.
- Yoshihiro Sato, Hiroyuki Kokawa, Takeshi
Kuwana, Shouichi Sato, Yutaka S. Sato: Effect
of Nitrogen on Shape Recovery and Tensile
Properties of Ti-Ni Alloy Weldments, Quarterly
Journal of the Japan Welding Society, 18(2),
(2000), 318-323.
- Yoshihiro Sato, Hidenori Takahashi, Hiroyuki
Kokawa, Takeshi Kuwana, Kiyoshi Yamauchi,
Shouichi Sato: Effect of Nitrogen on Transformation
Temperatures of Arc-Melted Ti-Ni Shape Memory
Alloys, Quarterly Journal of the Japan Welding
Society, 17(1), (1999), 78-85.
- Y. S. Sato, H. Kokawa and T. Kuwana: Effect
of Nitrogen on Sigma Transformation in Duplex
Stainless Steel Weld Metal, Science and Technology
of Welding and Joining, 4(1), (1999), 41-49.
- Yutaka S. Sato and Hiroyuki Kokawa: Preferential
Precipitation Site of Sigma Phase in Duplex
Stainless Steel Weld Metal, Scripta Materialia,
40(6), (1999), 659-663.
- H. Matsunaga, Y. S. Sato, H. Kokawa and T.
Kuwana: Effect of Nitrogen on Corrosion of
Duplex Stainless Steel Weld Metal, Science
and Technology of Welding and Joining, 3(5),
(1998), 225-232.
PZT Thin Film
- Zhan Jie Wang, Yuka Otsuka, Zhiping Cao and Hiroyuki
Kokawa: Electrical Properties and Microstructure of
Low-Temperature-Crystallized Lead Zirconate Titanate Thin Films Prepared by 2.45
GHz Microwave Irradiation, Japanese Journal of Applied Physics, 48 (2009),
09KA01.
- Z.J. Wang, Y. Otsuka, Z. Cao, M.W. Zhu, N. Yoshikawa and H. Kokawa, Low-temperature
processing of PZT thin films by 2.45 GHz microwave heating, Proceedings
of SPIE on Smart Materials V, edited by N.H. Voelcker and H.W. Thissen
icolas The International Society of Optical Engineering, Vol.7267 (2008),
726702-1`8.
- Z.J. Wang, T. Kumagai, H. Kokawa, M. Ichiki, R. Maeda, Preparation of hafnium
oxide thin films by sol-gel method, Journal of Electroceramics, 21-1`4
(2008), 499-502.
- Z.J. Wang, Y. Otsuka, Z. Cao, N. Yoshikawa and H. Kokawa,
Rapid Crystallization of Sol-Gel-Deposited Lead Zirconate Titanate Thin Films
by 2.45 GHz Microwave Irradiation, Japanese Journal of Applied Physics, 47-9
(2008), 7519-7522.
- Z.J. Wang, Z.P. Cao, Y. Otsuka, N. Yoshikawa, H. Kokawa and S. Taniguchi,
Low-temperature growth of ferroelectric lead zirconate titanate thin films
using the magnetic field of low power 2.45 GHz microwave irradiation, Applied
Physics Letters, 92-22 (2008), 222905-1-3.
- Zhan Jie Wang, Hirokazu Usuki, Toshihide Kumagai and Hiroyuki Kokawa, Microstructure
and electrical properties of lead zirconate titanate thin films deposited
by sol-gel method on La0.7Sr0.3MnO3 /SiO2/Si substrate, Journal of Sol-Gel
Science and Technology, 42-3 (2007), 375-379.
- Zhan Jie Wang, Hirokazu Usuki, Toshihide Kumagai and Hiroyuki Kokawa, Microstructure
and electrical properties of La0.7Sr0.3MnO3 thin films deposited by metallo-organic
decomposition method, Journal of Crystal Growth, 293-1 (2006), 68-73.
- Zhan Jie Wang, Toshihide Kumagai and Hiroyuki Kokawa, Microstructure and
electrical properties of lanthanum nickel oxide thin films deposited by
metallo-organic decomposition method, Journal of Crystal Growth, 290-1
(2006), 161-165.
- Zhan Jie Wang, Hiroyuki Kokawa, Hirotsugu Takizawa, Masaaki Ichiki and
Ryutaro Maeda: Electrical Properties and Microstructures of Sol-Gel-Deposited
Lead Zirconate Titanate Thin Films Crystallized by 28GHz Microwave Irradiation,
Japanese Journal of Applied Physics, Part 1, 44-9B (2005), 6914-6917.
- Zhan Jie Wang, Toshihide Kumagai, Hiroyuki Kokawa, Jiunnjye Tsuaur, Masaaki
Ichiki and Ryutaro Maeda, Crystalline phases, microstructures and electrical
properties of hafnium oxide films deposited by sol-gel method, Journal
of Crystal Growth, 281-2/4 (2005), 452-457.
- Z. J. Wang, H. Kokawa, H. Takizawa, M. Ichiki and R. Maeda, Low-temperature
growth of high-quality lead zirconate titanate thin films by 28GHz microwave
irradiation, Applied Physics Lettres, 86-21 (2005), 212903.
- Z. J. Wang, H. Kokawa, R. Maeda: In situ growth of lead zirconate titanate
thin films by hybrid process: sol-gel method and pulsed-laser deposition,
Acta Materialia, 53-3 (2005) 593-600.
- Z. J.
Wang, Y. Aoki, H. Kokawa, M. Ichiki and R. Maeda: Effect of Zr/Ti Ratio on
Microstructure and Electrical Properties of Lead Zirconate Titanate Thin Films
Derived by Pulsed Laser Deposition, Journal of Electroceramics,13-(1-3) (2004),
41-45.
- Zhan Jie. Wang, Hiroyuki Kokawa, Ryutaro Maeda and Masaaki Ichiki: Electrical
Properties and Microstructure of Lead Zirconate Titanate Thin Film In Situ
Grown by Hybrid Processing: Sol-Gel Method and Pulsed Laser Deposition,
Japanese Journal of Applied Physics, Part 1, 43-9B (2004), 6554-6557.
- Zhan Jie Wang, Hiroyuki Kokawa and Ryutaro Maeda: Electrical properties
and microstructure of leadzirconate titanate (PZT) thin films deposited
by pulse-laser deposition, Ceramics International, 30-7 (2004), 1529-1533.
- Zhan Jie Wang, Yuki Aoki, Li Jun Yan, Hiroyuki Kokawa and Ryutaro Maeda:
Crystal structure and microstructure of lead zirconate titanate (PZT) thin
films with various Zr/Ti ratios grown by hybrid processing, Journal of
Crystal Growth, 267/1-2 (2004), 92-99.
- Zhan Jie Wang, Hiroyuki Kokawa and Ryutaro Maeda: Growth of Lead Zirconate
Titanate Thin Films by Hybrid Processing: Sol-Gel Method and Pulsed-Laser
Deposition, Journal of Crystal Growth, 262/1-4 (2004), 359-364.
- Z. J. Wang, H. Y. Bi, H.
Kokawa, L. Zhang, J. Tsaur, M. Ichiki and R. Maeda: Preparation and
characterization of PZT thin films deposited by pulsed laser deposition on template
layer, Journal of the European Ceramic Society, 24-6 (2004), 1629-1632.
- Zhan Jie Wang, Li Jun Yan, Yuki Aoki, Hiroyuki Kokawa and Ryutaro Maeda:
Preparation and Characterization of Lead Zirconate Titanate Thin Films
Derived by Hybrid Processing: Sol-Gel Method and Pulsed Laser Deposition,
Japanese Journal of Applied Physics, Part 1, 42-9B (2003), 5936-5940.
- Zhan-Jie Wang, Isao Karibe, Hiroyuki Kokawa and Ryutaro Maeda: Microstructure
and Electrical Properties of PZT Thin Films Deposited by Laser Ablation
on Template Layer, Integrated Ferroelectrics, 46 (2002), 187-195.
- Zhan Jie Wang, Isao Karibe, Ryutaro Maeda and
Hiroyuki Kokawa: Preparation of Lead Zirconate Titanate Thin Films Derived by
Hybrid Processing: Sol-Gel Method and Laser Ablation, Journal of the American
Ceramic Society, 85-12 (2002), 3108-3110.
- Zhan Jie Wnag, Ryutaro Maeda and Hiroyuki Kokawa: Deposition of Pb(ZrXTiX-1)O3
thin films by pulsed laser ablation for MEMS application, Proceedings of
SPIE on Smart Materials II, The International Society of Optical Engineering,
Vol.4934 (2002), 356-363.
- Zhan-Jie Wang, Isao Karibe, Hiroyuki Kokawa and Ryutaro Maeda: Effect of
Zr/Ti Ratio in Targets on Electrical Properties of Lead Zirconate Titanate
Thin Films Derived by Pulsed Laser Deposition on Template Layer, Japanese
Journal of Applied Physics, Part 1, 41-11B (2002), 6658-6663.
- Zhan Jie Wang, Jia Ru Chu, Ryutaro Maeda and Hiroyuki Kokawa: Effect of
Bottom Electrodes on Microstructures and Electrical Properties of Sol-gel
Derived Pb(Zr0.53 Ti0.47)O3 Thin Films, Thin Solid Films, 416 (1-2), (2002),
66-71.
- Zhan-Jie Wang, Wen-Mei Lin, Ryutaro Maeda: Preparation And Characterization
Of Laser Ablation Derived PZT Thin Films For Micro Actuators, Trans. IEE
of Japan, 121-E (3) (2001), 124-128.
- Zhan-Jie Wnag, Ryutaro Maeda and Hiroyuki
Kokawa: Preparation And Chartacterization
of Excimer Laser Ablation Derived Lead Zirconate
Titanate Thin Films for Micro Actuators,
Proceedings of SPIE on Design, Test, and
Integration and Packaging of MEMS and MOEMS,
The International Society of Optical Engineering,
4408, (2001), 494-501.
- Zhan-Jie WANG, Ryutaro MAEDA, Masaaki ICHIKI
and Hiroyuki KOKAWA: Microstructure and Electrical
Properties of Lead Zirconate Titanate Thin
Films Deposited by Excimer Laser Ablation,
Japanese Journal of Applied Physics, 41,
(2001), 5523-5527.
- Zhan-Jie Wang, Kaoru Kikuchi, Ryutaro Maeda:
Effect of Pb Content in Target on Electrical
Properties of Laser Ablation Derived Lead
Zirconate Titanate Thin Films, Japanese Journal
of Applied Physics, 39(9), (2000), 5413-5417.
- Z. J. Wang, R. Maeda and K. Kikuchi: Development
of Phases and Texture in Sol-gel Derived
Lead Zirconate Titanate Thin Films Prepared
by Three-step Heat-treatment Process, Journal
of Materials Science, 35(23), (2000), 5915-5920.
- J. CHU, Z. WANG, R MAEDA, K. Kataoka, T.
Itoh and T. Suga: Novel Multibridge-structured
Piezoelectric Microdevice for Scanning Force
Microscopy, Journal of Vacuum Science &
Technology B, 18(6), (2000), 3604-3607.
- Zhan-Jie WANG, Ryutaro MAEDA and Kaoru KIKUCHI:
EFFECT OF Pb EXCESS CONTENT ON MICROSTRUCTURE
AND ELECTRICAL PROPERTIES OF SOL GEL DERIVED
PZT THIN FILMS, Mat. Res. Soc. Proc., 596,
(2000), 229-234.
- Zhanjie WANG, J. R. CHU and R. MAEDA: EFFECT OF BOTTOM ELECTRODES ON MICROSTRUCTURES
AND ELECTRICAL PROPERTIES OF SOL GEL DERIVED Pb(Zr0.53 Ti0.47)O3 THIN FILM,
Proceedings of the 3rd international Micro Materials Conference, (2000),
381-384.
- R. MAEDA, Zhanjie WANG, J. CHU and W. LIN:
SOL GEL DERIVED PZT THIN FILMS FOR MEMS APPLICATIONS,
Proceedings of the 3rd international Micro
Materials Conference, (2000), 1056-1061.
- Zhan-Jie Wang, Ryutaro Maeda, Kaoru Kikuchi:
Electron Micrfoscopic Observation of the
Microstructure of Sol-Gel Derived PZT Thin
Film, Journal of Japan Institute of Metals,
64(5), (2000), 363-366.
- Zhan-Jie Wang, Ryutaro Maeda, Kaoru Kikuchi:
Efect of Heat Treatment on Preferred Orientation
of Sol-Gel Deposited PZT Thin Films, Journal
of Japan Institute of Metals, 64(5), (2000),
383-386.
- Jiaru CHU, Zhanjie WANG, Ryutaro MAEDA: Measurements
of Piezoelectric Coefficient of Pb(Zr,Ti)O3
Thin Film Using a Piezoelectric Microcantilever,
Japanese Journal of Applied Physics, 38(12A),
(1999), L1482-L1484.
- Zhan-jie WANG, Ryutaro MAEDA, Kaoru KIKUCHI:
Effect of Pb Content on Electric Properties
of Sol-Gel Derived Lead Zirconate Titanate
Thin Films Prepared by Three-Step Heat-Treatment
Process, Japanese Journal of Applied Physics,
38(9B), (1999), 5342-5345.
- T. Shimizu, Y. Murakoshi, Zhanjie Wang, R.
Maeda, T. Sano: Microfabrication Techniques
for Thick Structure of Metals and PZT, Proceedings
of SPIE, 3680, (1999), 472-477.
- Zhanjie WANG, Ryutaro MAEDA, Kaoru KIKUCHI:
Preparation and Characterization of Sol-Gel
Derived PZT Thin Films for Micro Actuators,
Proceedings of SPIE, 3680, (1999), 948-955.
- Zhan-jie Wang, Ryutaro Maeda, Kaoru Kikuchi:
Preparation and Characterization of Sol-Gel
Derived PZT Thin Films for Micro Actuators,
Trans. IEE of Japan, 119E(4), (1999), 254-259.
- KAORU KIKUCHI, ZHANJIE WANG, AKIHIKO UMEZAWA,
RYUTARO MAEDA: Deposition of PZT Thin Films
by Excimer Laser Ablation for Piezoelectric
Application, Ferroelectrics, 224, (1999),
267-273.
- Ryutaro MAEDA, Zhanjie WANG, Jiaru CHU, Jun AKEDO, Masaaki ICHIKI, So YONEKUBO:
Deposition and Patterning Technique for Realization of Pb(Zr0.52, Ti0.48)O3
Thick Film Micro Actuator, Japanese Journal of Applied Physics, 37(12B),
(1998), 7116-7119.
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