摘要
淬火配分(Q&P)钢属于汽车用第3代先进高强度钢,广泛应用在汽车和特种装备领域。合金元素可以改善Q&P钢中碳原子配分、晶粒尺寸、组织分布形态以及相变温度点等,从而提升Q&P钢的综合性能。本文综述了微合金元素对Q&P钢组织性能影响的研究进展,阐述Q&P钢的理论发展,重点介绍了Q&P钢的合金成分、显微组织和力学性能之间的关系,最后对Q&P钢微合金化的未来发展趋势进行了展望。
Quenching and partitioning(Q&P)steel belongs to the third generation of advanced high-strength steel for automobiles,and is widely used in the fields of automobiles and special equipment.Alloying elements can improve the carbon atom partitioning,grain size,microstructure distribution and transformation temperature point of the Q&P steel,thus improving the comprehensive properties of the Q&P steel.This paper summarizes the research progress on the effect of microalloying elements on the microstructure and properties of the Q&P steel,decribes the theoretical development of the Q&P steel,and expounds the relationship between the alloy composition,microstructure and mechanical properties of the Q&P steel.Finally,the future development trend of microalloying of the Q&P steel is prospected.
作者
曾金
栗克建
高翔
刘波
曹鹏军
马鸣图
ZENG Jin;LI Ke-jian;GAO Xiang;LIU Bo;CAO Peng-jun;MA Ming-tu(School of Metallurgy and Materials Engineering,Chongqing University of Science and Technology,Chongqing 411331,China;China Automotive Engineering Research Institute Co Ltd,Chongqing 401120,China;School of Mechanical Engineering,University of Science and Technology Beijing,Beijing 100083,China;Zhongxin(Chongqing)Ultra-High Strength Materials Research Institute Co Ltd,Chongqing 401326,China)
出处
《材料热处理学报》
CAS
CSCD
北大核心
2023年第7期1-12,共12页
Transactions of Materials and Heat Treatment
关键词
Q&P钢
微合金化
显微组织
力学性能
Q&P steel
microalloying
microstructure
mechanical property
