热等静压粉末冶金技术制备高合金冷作模具钢应用研究  

Application of hot isostatic pressing powder metallurgy technology in preparing high alloy cold work die steel

作　　者：王凯 车立达 吕周晋 李好峰 李向阳 WANG Kai;CHE Lida;LÜZhoujin;LI Haofeng;LI Xiangyang(CISRI HIPEX Technology Co.,Ltd.,Beijing 100081,China)

机构地区：[1]钢研昊普科技有限公司,北京100081

出　　处：《金属加工（热加工）》2024年第10期124-130,共7页MW Metal Forming

基　　金：北京市科技新星资助项目(2022139)。

摘　　要：采用热等静压粉末冶金技术开展了X230CrVMo13高合金模具钢成形技术研究,并结合数值仿真手段对合金粉末致密化规律进行探索。此外,通过退火热处理工艺对粉末合金性能进行调控,分析了热处理工艺对微观组织、力学性能的影响。结果表明:数值模型能够准确模拟X230Cr VMo13粉末致密化过程,通过热等静压粉末冶金技术制备的X230Cr VMo13粉末合金达到了理论密度,通过退火热处理工艺实现对碳化物析出控制,进而改善了X230CrVMo13粉末合金制品性能。The forming technology of X230CrVMo13 high alloy die steel was studied using hot isostatic pressing powder metallurgy technology,and the densification law of alloy powder was explored through numerical simulation methods.In addition,the properties of powder alloys were regulated through heat treatment,and the influence of heat treatment processes on microstructure and mechanical properties was analyzed.The results show that the numerical model can accurately simulate the densification process of X230CrVMo13 powder.The X230CrVMo13 powder alloy prepared by hot isostatic pressing powder metallurgy technology reached the theoretical density,and the control of carbide precipitation was achieved through heat treatment,thereby improving the properties of X230CrVMo13 powder alloy products.

关 键 词：热等静压 粉末冶金 高合金模具钢 数值仿真 热处理 

分 类 号：TF125.1[冶金工程—粉末冶金]