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Influence of austenite grain boundary misorientation on hydrogen-induced intergranular crack propagation in a medium carbon martensitic steel
Description/Abstract:
This study investigated the influence of austenite misorientation on hydrogen-induced intergranular cracking along the prior austenite gr...
Keyword:
Hydrogen embrittlement
,
Intergranular fracture
,
Martensite variant selection
,
Misorientation angle
, and
Prior austenite grain boundary (PAGB)
Resource Type:
Article
Author:
Ji Hoon Kim
,
Goro Miyamoto
,
Akinobu Shibata
,
Tomohiko Hojo
,
Motomichi Koyama
,
Yongjie Zhang
, and
Tadashi Furuhara
Journal:
Acta Materialia
Date Uploaded:
01/11/2024
Mechanism of local hydrogen entry into Fe sheets induced by atmospheric corrosion: Significance of potential, pH, and rust layer thickness
Description/Abstract:
Local hydrogen entry under a NaCl droplet on an Fe sheet was analyzed employing a hydrogenochromic sensor and electrochemical hydrogen pe...
Keyword:
Iron, Hydrogen permeation, Atmospheric corrosion
Resource Type:
Article
Author:
Hiroshi Kakinuma
,
Sachiko Hiromoto
,
Tomohiko Hojo
,
Saya Ajito
,
Motomichi Koyama
, and
Eiji Akiyama
Journal:
Corrosion Science
Date Uploaded:
17/04/2024
Tensile deformation behavior of TRIP-aided bainitic ferrite steel in the post-necking strain region
Description/Abstract:
This study validated the methods for the evaluation of stress triaxiality using finite element (FE) simulations. The FE simulations traci...
Keyword:
Advanced high-strength steel
,
finite element simulation
,
large strain
,
small round-bar tensile test
,
stress-triaxiality
, and
synchrotron X-ray diffraction
Resource Type:
Article
Author:
Takashi Matsuno
,
Tomohiko Hojo
,
Ikumu Watanabe
,
Ayumi Shiro
,
Takahisa Shobu
, and
Kentaro Kajiwara
Date Uploaded:
28/02/2023
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Advanced high-strength steel
1
Hydrogen embrittlement
1
Intergranular fracture
1
Iron, Hydrogen permeation, Atmospheric corrosion
1
Martensite variant selection
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English
3
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Elsevier BV
2
Informa UK Limited
1
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Article
3
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Creative Commons BY Attribution 4.0 International
2
Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
1
Author
Tomohiko Hojo
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3
Motomichi Koyama
2
Akinobu Shibata
1
Ayumi Shiro
1
Eiji Akiyama
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Government of Japan Ministry of Education Culture Sports Science and Technology
1
Japan Society for the Promotion of Science
1
National Research Foundation of Korea
1
New Energy and Industrial Technology Development Organization
1
Journal
Acta Materialia
1
Corrosion Science
1