汽车用超高强度钢的合金化方式及组织控制

doi:10.13251/j.issn.0254-6051.2021.04.004

摘要/Abstract

摘要： 超高强度钢因其优异的强度及塑韧性而在汽车行业得到广泛应用。针对汽车用超高强度钢,详细介绍了其合金化方式及强化机制,并详细阐述了奥氏体相及其相变所产生的组织增塑效应,以及对组织的调控方法。

关键词: 超高强度钢, 合金化, 相变诱导塑性, 孪生诱发塑性, 残留奥氏体

Abstract: Ultra-high strength steels (UHSS) are widely applied in the automobile industry by the excellent strength, ductility and toughness. The alloying modes and strengthening mechanism of ultra-high strength steels for automobile were introduced in detail. And the plasticizing effect of microstructure generated by the austenite and its phase transformation, and the regulation method of microstructure were elucidated in detail.

Key words: ultra-high strength steel, alloying, transformation-induced plasticity, twinning-induced plasticity, retained austenite

中图分类号:

TG142

梁静宇, 石增敏, 谢镐, 邓李辰贵, 李光宇, 戴雷. 汽车用超高强度钢的合金化方式及组织控制[J]. 金属热处理, 2021, 46(4): 20-25.

Liang Jingyu, Shi Zengmin, Xie Hao, Deng Lichengui, Li Guangyu, Dai Lei. Alloying mode and microstructure control of ultra-high strength steels for automobile[J]. Heat Treatment of Metals, 2021, 46(4): 20-25.

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