The 189th ISIJ Spring Meeting
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Session Details

General PresentationMicrostructure and Properties of Materials

Hydrogen embrittlement 5

Mon. Mar 10, 2025 12:50 PM - 2:30 PM JST
Mon. Mar 10, 2025 3:50 AM - 5:30 AM UTC
Room9（Bldg.1 2F 210）
高井健一 [上智大]
12:50 PM - 1:10 PM JST(3:50 AM - 4:10 AM UTC)

[153]Improvement of mechanical properties in Fe-Cr-Ni austenitic steels by solute hydrogen: Phenomenology and mechanisms

○Yuhei Ogawa1, Osamu Takakuwa2, Junichiro Moriyama2, Haruki Nishida3, Kaneaki Tsuzaki1, Akinobu Shibata1 (1.NIMS, 2.Kyushu Univ., 3.Univ. of Tsukuba)
1:10 PM - 1:30 PM JST(4:10 AM - 4:30 AM UTC)

[154]Solid solution-hardening and thermal activation behavior of dislocation motion in Fe-Cr-Ni austenitic steel with solute hydrogen / carbon

○Haruki Nishida1, Yuhei Ogawa2, Akinobu Shibata2 (1.Univ. of Tsukuba, 2.NIMS)
1:30 PM - 1:50 PM JST(4:30 AM - 4:50 AM UTC)

[155]Static/dynamic hydrogen-assisted crack propagation in Ni-based superalloy 718

○Osamu Takakuwa1, Yuhei Ogawa2 (1.Kyushu Univ., 2.NIMS)
1:50 PM - 2:10 PM JST(4:50 AM - 5:10 AM UTC)

[156]The effect of alloying element on hydrogen solubility of Fe-Cr-Ni alloys: First-principles calculation of the origin of the effect of Cr, Ni atoms on hydrogen absorption energy

○Junichiro Moriyama1, Masatake Yamaguchi2, Osamu Takakuwa1 (1.Kyushu Univ., 2.JAEA)
2:10 PM - 2:30 PM JST(5:10 AM - 5:30 AM UTC)

[157]Study of the influence hydrogen on the slip behavior in austenitic steels by advanced electron microscopy techniques

○Ivan Gutierrez-Urrutia, Yuhei Ogawa, Akinobu Shibata (NIMS)
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