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Journal Articles

Neutron Bragg-edge transmission imaging for microstructure and residual strain in induction hardened gears

Su, Y.; Oikawa, Kenichi; Shinohara, Takenao; Kai, Tetsuya; Horino, Takashi*; Idohara, Osamu*; Misaka, Yoshitaka*; Tomota, Yo*

Scientific Reports (Internet), 11, p.4155_1 - 4155_14, 2021/02

 Times Cited Count:1 Percentile:0(Multidisciplinary Sciences)

Journal Articles

Continuous and discontinuous yielding behaviors in ferrite-cementite steels

Wang, Y.*; Tomota, Yo*; Omura, Takahito*; Gong, W.*; Harjo, S.; Tanaka, Masahiko*

Acta Materialia, 196, p.565 - 575, 2020/09

 Times Cited Count:6 Percentile:69.06(Materials Science, Multidisciplinary)

Journal Articles

Mechanism of improved ductility of 1500 MPa-class ultra-high strength cold-rolled steel sheet produced by rolling and partitioning method

Hosoya, Yoshihiro*; Matsumura, Yuta*; Tomota, Yo*; Onuki, Yusuke*; Harjo, S.

ISIJ International, 60(9), p.2097 - 2106, 2020/09

 Times Cited Count:1 Percentile:26.63(Metallurgy & Metallurgical Engineering)

Journal Articles

Influence of carbon concentration and magnetic transition on the austenite lattice parameter of 30Mn-C steel

Tomota, Yo*; Murakami, Toshio*; Wang, Y. X.*; Omura, Takahito*; Harjo, S.; Su, Y.; Shinohara, Takenao

Materials Characterization, 163, p.110243_1 - 110243_8, 2020/05

 Times Cited Count:2 Percentile:52.17(Materials Science, Multidisciplinary)

Journal Articles

${it In situ}$ neutron diffraction on ferrite and pearlite transformations for a 1.5Mn-1.5Si-0.2C steel

Tomota, Yo*; Wang, Y.*; Omura, Takahito*; Sekido, Nobuaki*; Harjo, S.; Kawasaki, Takuro; Gong, W.*; Taniyama, Akira*

Tetsu To Hagane, 106(5), p.262 - 271, 2020/05

 Times Cited Count:0 Percentile:0(Metallurgy & Metallurgical Engineering)

Journal Articles

Microstructural features and ductile-brittle transition behavior in hot-rolled lean duplex stainless steels

Takahashi, Osamu*; Shibui, Yohei*; Xu, P. G.; Harjo, S.; Suzuki, Tetsuya*; Tomota, Yo*

Quantum Beam Science (Internet), 4(1), p.16_1 - 16_15, 2020/03

Journal Articles

Real time observation of martensite transformation for a 0.4C low alloyed steel by neutron diffraction

Wang, Y.*; Tomota, Yo*; Omura, Takahito*; Morooka, Satoshi; Gong, W.*; Harjo, S.

Acta Materialia, 184, p.30 - 40, 2020/02

 Times Cited Count:10 Percentile:90.5(Materials Science, Multidisciplinary)

Journal Articles

Dislocation densities and intergranular stresses of plastically deformed austenitic steels

Tomota, Yo*; Ojima, Mayumi*; Harjo, S.; Gong, W.*; Sato, Shigeo*; Ung$'a$r, T.*

Materials Science & Engineering A, 743, p.32 - 39, 2019/01

 Times Cited Count:13 Percentile:85.21(Nanoscience & Nanotechnology)

Journal Articles

Recent progress on practical materials study by Bragg edge imaging at J-PARC

Oikawa, Kenichi; Su, Y.; Kiyanagi, Ryoji; Kawasaki, Takuro; Shinohara, Takenao; Kai, Tetsuya; Hiroi, Kosuke; Harjo, S.; Parker, J. D.*; Matsumoto, Yoshihiro*; et al.

Physica B; Condensed Matter, 551, p.436 - 442, 2018/12

 Times Cited Count:1 Percentile:8.26(Physics, Condensed Matter)

Journal Articles

High stereographic resolution texture and residual stress evaluation using time-of-flight neutron diffraction

Xu, P. G.; Harjo, S.; Ojima, Mayumi*; Suzuki, Hiroshi; Ito, Takayoshi*; Gong, W.; Vogel, S. C.*; Inoue, Junya*; Tomota, Yo*; Aizawa, Kazuya; et al.

Journal of Applied Crystallography, 51(3), p.746 - 760, 2018/06

AA2018-0163.pdf:3.0MB

 Times Cited Count:18 Percentile:92.35(Chemistry, Multidisciplinary)

Journal Articles

${it In-situ}$ observation of dislocation evolution in ferritic and austenitic stainless steels under tensile deformation by using neutron diffraction

Sato, Shigeo*; Kuroda, Asumi*; Sato, Kozue*; Kumagai, Masayoshi*; Harjo, S.; Tomota, Yo*; Saito, Yoichi*; Todoroki, Hidekazu*; Onuki, Yusuke*; Suzuki, Shigeru*

Tetsu To Hagane, 104(4), p.201 - 207, 2018/00

 Times Cited Count:5 Percentile:43.06(Metallurgy & Metallurgical Engineering)

Journal Articles

Comparison of the measurements of austenite volume fraction by various methods for Mn-Si-C steel

Tomota, Yo*; Sekido, Nobuaki*; Xu, P. G.; Kawasaki, Takuro; Harjo, S.; Tanaka, Masahiko*; Shinohara, Takenao; Su, Y.; Taniyama, Akira*

Tetsu To Hagane, 103(10), p.570 - 578, 2017/10

 Times Cited Count:11 Percentile:62.6(Metallurgy & Metallurgical Engineering)

Journal Articles

Work hardening, dislocation structure, and load partitioning in lath-martensite determined by ${it in situ}$ neutron diffraction line profile analysis

Harjo, S.; Kawasaki, Takuro; Tomota, Yo*; Gong, W.*; Aizawa, Kazuya; Tichy, G.*; Shi, Z.*; Ung$'a$r, T.*

Metallurgical and Materials Transactions A, 48(9), p.4080 - 4092, 2017/09

AA2017-0020.pdf:3.33MB

 Times Cited Count:22 Percentile:84.2(Materials Science, Multidisciplinary)

Journal Articles

Unusual plastic deformation behavior in lath martensitic steel containing high dislocation density

Harjo, S.; Kawasaki, Takuro; Tomota, Yo*; Gong, W.

Materials Science Forum, 905, p.46 - 51, 2017/08

Journal Articles

Quantitative evaluation of texture and dislocations during annealing after hot deformation in austenitic steel using neutron diffraction

Tomota, Yo*; Sato, Shigeo*; Uchida, M.*; Xu, P. G.; Harjo, S.; Gong, W.; Kawasaki, Takuro

Materials Science Forum, 905, p.25 - 30, 2017/08

Journal Articles

Time-of-flight neutron transmission imaging of martensite transformation in bent plates of a Fe-25Ni-0.4C alloy

Su, Y.; Oikawa, Kenichi; Shinohara, Takenao; Kai, Tetsuya; Hiroi, Kosuke; Harjo, S.; Kawasaki, Takuro; Gong, W.; Zhang, S. Y.*; Parker, J. D.*; et al.

Physics Procedia, 88, p.42 - 49, 2017/06

 Times Cited Count:3 Percentile:88.78

Journal Articles

Evaluation of austenite volume fraction in TRIP steel sheets using neutron diffraction

Xu, P. G.; Tomota, Yo*; Arakaki, Yu; Harjo, S.; Sueyoshi, Hitoshi*

Materials Characterization, 127, p.104 - 110, 2017/05

 Times Cited Count:29 Percentile:94.98(Materials Science, Multidisciplinary)

Journal Articles

Reverse austenite transformation behavior in a tempered martensite low-alloy steel studied using ${it in situ}$ neutron diffraction

Tomota, Yo*; Gong, W.*; Harjo, S.; Shinozaki, Tomoya*

Scripta Materialia, 133, p.79 - 82, 2017/05

AA2017-0349.pdf:2.43MB

 Times Cited Count:18 Percentile:77.17(Nanoscience & Nanotechnology)

Journal Articles

Residual stresses in steel rod with collar formed by partial diameter-enlarging technique

Fukuda, Kojiro*; Tomota, Yo*; Harjo, S.; Gong, W.*; Woo, W.*; Seong, B. S.*; Kuwahara, Yoshitaka*; Ikuta, Fumiaki*

Materials Science and Technology, 33(2), p.172 - 180, 2017/01

 Times Cited Count:0 Percentile:0(Materials Science, Multidisciplinary)

Journal Articles

Composite behavior of lath martensite steels induced by plastic strain, a new paradigm for the elastic-plastic response of martensitic steels

Ung$'a$r, T.*; Harjo, S.; Kawasaki, Takuro; Tomota, Yo*; Rib$'a$rik, G.*; Shi, Z.*

Metallurgical and Materials Transactions A, 48(1), p.159 - 167, 2017/01

AA2016-0372.pdf:2.81MB

 Times Cited Count:25 Percentile:86.24(Materials Science, Multidisciplinary)

90 (Records 1-20 displayed on this page)