汽车用超高强度钢的合金化方式及组织控制  

Alloying mode and microstructure control of ultra-high strength steels for automobile

作　　者：梁静宇 石增敏[2] 谢镐 邓李辰贵 李光宇 戴雷[2] Liang Jingyu;Shi Zengmin;Xie Hao;Deng Lichengui;Li Guangyu;Dai Lei(College of Materials and Chemical Engineering,China Three Gorges University,Yichang Hubei 443000,China;Hubei Key Laboratory of Hydroelectric Machinery Design&Maintenance,China Three Gorges University,Yichang Hubei 443000,China)

机构地区：[1]三峡大学材料与化工学院,湖北宜昌443000 [2]三峡大学水电机械设备设计与维护湖北省重点实验室,湖北宜昌443000

出　　处：《金属热处理》2021年第4期20-25,共6页Heat Treatment of Metals

基　　金：国家自然科学基金(51201093);湖北省技术创新专项(重大项目)(2017AAA113);三峡大学学位论文培优基金(2020SSPY050)。

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。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.

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 

分 类 号：TG142[一般工业技术—材料科学与工程]