期刊
STEEL RESEARCH INTERNATIONAL
卷 94, 期 2, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/srin.202200238
关键词
mechanical properties; medium-Mn steels; microstructures; morphology; transformation-induced plasticity; twinning-induced plasticity
This review summarizes the relationship between microstructural morphology and various mechanical responses in Medium-Mn steels, aiming at deriving the optimal microstructural design concept for improved mechanical properties.
Medium-Mn steels have received significant attention from the steel industry as strong candidate materials for next-generation advanced high-strength steels. These steels can be manufactured by various routes, such as hot rolling plus annealing or cold rolling plus annealing, resulting in two different microstructural morphologies: laminate morphology or globular morphology with two-phase microstructures. The resulting change in the microstructural morphology leads to a significant difference in the mechanical responses. For example, steel with a globular structure exhibits improved strength, toughness, and hydrogen embrittlement resistance compared to steel with a laminate morphology. The present review systematically summarizes the relationship between microstructural morphology and various mechanical responses to derive the optimal microstructural design concept for improved mechanical properties.
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