新型超高锰钢ZG120Mn23Cr2Mo材质的实验研究  

Experimental Study on New Type ZG120Mn23Cr2Mo Super High Strength Steel

作　　者：卫心宏 雷鹏飞[1] WEI Xin-hong;LEI Peng-fei(Taiyuan Heavy Industry Co.,Ltd.,Taiyuan Shanxi 030024,China)

机构地区：[1]太原重工股份有限公司

出　　处：《铸造设备与工艺》2019年第6期18-21,共4页Foundry Equipment & Technology

摘　　要：本文进行了新型超级高锰钢ZG120Mn23Cr2Mo材质熔炼、不同热处理工艺及硬化特性的试验研究。试验表明,该材质在1090℃水韧处理+300℃低温回火后,各项性能指标达到最优,其显微组织为奥氏体+弥散碳化物,具有较高的强度、低温韧性、本体硬度,及良好的加工硬化性能,适用于高应力、高冲击、低温工况条件下大断面耐磨铸件的应用。The melting,different heat treatment processes and hardening characteristics of new super high manganese steel ZG120Mn23Cr2Mo are studied in this paper.The test results show that the properties of the material are optimized after 1090℃water toughness treatment+300℃low temperature tempering.The microstructure of the material is austenite+diffuse carbide,and it has high strength,low temperature toughness,bulk hardness and good work hardening performance,suitable for the application of large section wear resistant castings under high stress,high impact and low temperature conditions.

关 键 词：ZG120Mn23Cr2Mo 低温回火 加工硬化特性 

分 类 号：TG269[金属学及工艺—铸造]