固溶-时效处理对模具钢0Cr3Ni3MoCuAl组织和硬度的影响  

Effect of Solution-Aging Treatment on Microstructure and Hardness of 0Cr3Ni3MoCuAl Die Steel

作　　者：卫海瑞 楚宝帅[2] Wei Hairui;Chu Baoshuai(State Key Laboratory of Advanced Stainless Steel Materials,Taiyuan Iron&Steel(Group)Co Ltd,Taiyuan 030003;Technology Center of Shanxi Taigang Stainless Steel Co Ltd,Taiyuan 030003)

机构地区：[1]太原钢铁(集团)有限公司先进不锈钢材料国家重点实验室,太原030003 [2]山西太钢不锈钢股份有限公司技术中心,太原030003

出　　处：《特殊钢》2021年第6期65-67,共3页Special Steel

摘　　要：实验研究了沉淀硬化模具钢0Cr3Ni3MoCuAl在860~1010℃35 min固溶处理和450~560℃3 h时效处理的组织和硬度。结果表明,固溶处理温度为950℃,保温时间35 min,空冷至室温,其HRC硬度值可达39.5;组织为粒状贝氏体和低碳板条马氏体的混合组织,并有少量残余奥氏体。时效处理温度为500℃,保温时间为3 h,空冷至室温,其HRC硬度值可达到44.1;组织为回火贝氏体。The microstructure and hardness of precipitated hardening die steel 0Cr3Ni3MoCuAl with solution-treated at 860~1010℃for 35 min and aging treated at 450~560℃for 3 h are tested and studied.The results show that when the solution treatment temperature is 950℃,the holding time is 35 min and air cooling to room temperature,the HRC hardness number is up to 39.5,the structure is granular bainite and low carbon lath martensite and a small amount of residual austenite.When the aging-treated at 500℃for the holding time 3 h and air cooling to room temperature,the HRC hardness number is up to 44.1 and the microstructure is tempered bainite.

关 键 词：0Cr3Ni3MoCuAl沉淀硬化模具钢 固溶处理 时效处理 硬度 

分 类 号：TG156.9[金属学及工艺—热处理] TG142.1[金属学及工艺—金属学]