Article Overview of <i>ε</i>-Martensite-Related Damage Evolution and its Solution: Pathways for Local Stress Accommodation, Plastic Damage Retardation, and Microcrack Arrest

Motomichi Koyama ; Takahiro Sawaguchi SAMURAI ORCID (National Institute for Materials Science)

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Motomichi Koyama, Takahiro Sawaguchi. Overview of <i>ε</i>-Martensite-Related Damage Evolution and its Solution: Pathways for Local Stress Accommodation, Plastic Damage Retardation, and Microcrack Arrest. ISIJ International. 2025, 65 (4), ISIJINT-2024-398. https://doi.org/10.2355/isijinternational.isijint-2024-398

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(abstract)

In general, γ-ε martensitic transformation in austenitic steels improves work hardening capability and fatigue resistance but causes brittle-like fracture and deteriorates hydrogen embrittlement resistance. To avoid the disadvantageous effects, we must understand the evolution mechanisms of plasticity, stress, and damage during plastic deformation involving γ-ε martensitic transformation.

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Keyword: γ-ε martensitic transformation, work hadening

Date published: 2025-04-15

Publisher: Iron and Steel Institute of Japan

Journal:

  • ISIJ International (ISSN: 13475460) vol. 65 issue. 4 p. 471-488 ISIJINT-2024-398

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Manuscript type: Publisher's version (Version of record)

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First published URL: https://doi.org/10.2355/isijinternational.isijint-2024-398

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Updated at: 2025-11-29 08:30:04 +0900

Published on MDR: 2025-11-29 08:23:34 +0900

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