Processing,microstructure,mechanical properties,and hydrogen embrittlement of medium-Mn steels:A review  

作　　者：Yan Zhang Qizhe Ye Yu Yan 

机构地区：[1]Beijing Advanced Innovation Center for Materials Genome Engineering,University of Science and Technology Beijing,Beijing 100083,China [2]Corrosion and Protection Center,Institute for Advanced Materials and Technology,University of Science and Technology Beijing,Beijing 100083,China

出　　处：《Journal of Materials Science & Technology》2024年第34期44-57,共14页材料科学技术(英文版)

基　　金：the financial support received from the National Natural Science Foundation of China(Grant No.U1964204).

摘　　要：As a representative of steels available in the market,medium-Mn steel shows vast application prospects in lightweight automobile fields.This review details the research progress of medium-Mn steels,focusing on the following aspects.The roles of common adding elements,rolling technologies,and various heat treatments on the microstructure and mechanical properties of medium-Mn steel are analyzed,thus pro-viding references for designing tailored medium-Mn steel with excellent performance.Considering that hydrogen embrittlement is a challenge faced in the development of high-strength steel,the hydrogen embrittlement behavior of medium-Mn steel is also discussed,particularly emphasizing the influence of microstructure,hydrogen concentration,strain,etc.Furthermore,practical strategies to improve resistance to hydrogen embrittlement are summarized.Finally,this review provides prospects for the development and research prospects of medium-Mn steel.

关 键 词：Medium-Mn steel Composition design Rolling technologies Heat treatments Hydrogen embrittlement 

分 类 号：TG1[金属学及工艺—金属学]