马氏体钢中B_(L)/M和A_(R)/M复相组织调控方法及对性能影响的研究现状  

Research progress of B_(L)/M and A_(R)/M multiphase controlling methods in martensitic steel and their influence on performance

作　　者：魏鑫鸿 李志敏 张旭[1] 何文超 王永恒 郭涵 李绍宏[1] Wei Xinhong;Li Zhimin;Zhang Xu;He Wenchao;Wang Yongheng;Guo Han;Li Shaohong(Faculty of Materials Science and Engineering,Kunming University of Science and Technology,Kunming Yunnan 650093,China;Yunnan University of Business Management,Kunming Yunnan 650106,China)

机构地区：[1]昆明理工大学材料科学与工程学院,云南昆明650093 [2]云南经济管理学院,云南昆明650106

出　　处：《金属热处理》2021年第7期72-79,共8页Heat Treatment of Metals

基　　金：国家自然科学基金(51761022);昆明理工大学分析测试基金(2020M20192230134)。

摘　　要：综述了提高钢铁材料性能的马氏体钢中下贝氏体/马氏体(B_(L)/M)和残留奥氏体/马氏体(A_(R)/M)复相组织的调控方法及其强韧化机理等方面的研究进展。针对贝氏体等温淬火、淬火-配分(Q&P)、淬火-配分-回火(Q-P-T)等新型热处理工艺对微观组织特征和力学性能影响的研究现状进行了总结,并分析了钢铁材料复相组织调控工业化应用需重点突破的问题。The research progress of the lower bainite/martensite(B_(L)/M)and retained austenite/martensite(A_(R)/M)multiphase controlling methods to improve the properties of steels and the corresponding strengthening and toughening mechanisms were summarized in detail.The new heat treatment methods such as bainite isothermal quenching,quenching&partitioning(Q&P),quenching-partitioning-tempering(Q-P-T)were introduced.Also,the effects of multiphase controlling methods on microstructural characteristics and mechanical properties,as well as the key breakthrough problems in industrial application of the new heat treatments,were analyzed.

关 键 词：复相组织控制 贝氏体等温淬火 Q&P工艺 Q-P-T工艺 

分 类 号：TG156.1[金属学及工艺—热处理]