Dynamic Strain Aging Induced by Synergistic Effects of Deformation-Induced Martensite and Deformation Twins in Fe–Cr–Ni Metastable Austenitic Stainless Steel

被引：0
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作者：
Ang Xie
Shenghu Chen
Lijian Rong
机构：
[1] Chinese Academy of Sciences,Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research
[2] University of Science and Technology of China,School of Materials Science and Engineering
来源：
Metallurgical and Materials Transactions A | 2023年 / 54卷
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摘要：
Dynamic strain aging (DSA) is induced by the coexistence of deformation-induced martensitic transformation (DIMT) and deformation twins (DTs) at 50 °C and 75 °C. DIMT can provide high diffusivity paths for carbon atoms from α′-martensite to α′/γ interfaces. A high density of nanoscale DTs is activated at α′/γ interfaces during subsequent deformation, which represents high-frequency emission of dislocations from interfaces, and the repeated pinning process of emitted dislocations by carbon atoms contributes to DSA effects.
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页码：4592 / 4597
页数：5
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