汽车用中锰钢的研究现状与展望

doi:10.13251/j.issn.0254-6051.2025.03.039

摘要/Abstract

摘要： 从化学成分、强韧化机制和热处理工艺3个方面综述了国内外中锰钢的研究现状。分析总结了Mn、C、Al等元素对中锰钢组织性能的影响;针对中锰钢变形过程中强韧化机制,着重介绍了相变诱发塑性(TRIP)效应及其影响因素;中锰钢的组织和性能与热处理工艺紧密相关,重点介绍了奥氏体逆转变(ART)、淬火+回火(Q&T)、淬火配分(Q&P)等热处理工艺及其对组织性能的影响。最后展望了中锰钢未来研究的方向。

关键词: 中锰钢, 强韧化机制, TRIP效应, 热处理, 微观组织, 力学性能

Abstract: Research status of medium-Mn steels at home and abroad were reviewed from three aspects: chemical composition, strengthening and toughening mechanism, and heat treatment processes. The effects of elements such as Mn, C, and Al on the microstructure and properties of medium-Mn steels were analyzed and summarized. Regarding the strengthening and toughening mechanism during the deformation of medium-Mn steels, the transformation-induced plasticity (TRIP) effect and its influencing factors were emphasized. Considering that the microstructure and properties of medium-Mn steels were closely related to heat treatment processes, the heat treatment processes such as austenite reverse transformation (ART), quenching and tempering (Q&T), quenching and partitioning (Q&P), and their effects on the microstructure and properties were introduced in detail. Finally, the future research directions of medium-Mn steels was prospected.

Key words: medium manganese steel, strengthening and toughening mechanism, TRIP effect, heat treatment, microstructure, mechanical properties

中图分类号:

TG142.1

齐加胜, 徐文权. 汽车用中锰钢的研究现状与展望[J]. 金属热处理, 2025, 50(3): 244-249.

Qi Jiasheng, Xu Wenquan. Research status and prospects of medium manganese steels for automobiles[J]. Heat Treatment of Metals, 2025, 50(3): 244-249.

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