控锻控冷工艺对GCr15轴承钢力学性能的影响  

Effect of controlled forging and cooling process on mechanical properties of GCr15 bearing steel

作　　者：郭浩 扈林庄[2] 雷建中[2] 刘扬[2] 杜三明[3] 张永振[3] Guo Hao;Hu Linzhuang;Lei Jianzhong;Liu Yang;Du Sanming;Zhang Yongzhen(Key Laboratory of Special Surface Protection Materials and Application Technology,Wuhan Research Institute of Materials Protection,China Academy of Machinery Science&Technology State,Wuhan Hubei 430030,China;Luoyang Bearing Research Institute Co.,Ltd.,Luoyang Henan 471039,China;National United Engineering Laboratory for Advanced Bearing Tribology,Henan University of Science and Technology,Luoyang Henan 471023,China)

机构地区：[1]机械科学研究总院武汉材料保护研究所特种表面保护材料及应用国家重点实验室,湖北武汉430030 [2]洛阳轴承研究所有限公司,河南洛阳471039 [3]河南科技大学高端轴承摩擦学技术与应用国家地方联合工程实验室,河南洛阳471023

出　　处：《金属热处理》2020年第10期35-39,共5页Heat Treatment of Metals

基　　金：国家研发计划(2016FYB0300101)。

摘　　要：探究不同控锻控冷热处理工艺对GCr15钢力学性能的影响,测试了它的回火稳定性、冲击性能、滚动接触疲劳寿命。结果表明,采用控锻控冷工艺可提高试样的抗回火稳定性,冲击性能提高50%以上,接触疲劳寿命提高40%以上。Effect of different controlled forging and cooling processes on mechanical properties of GCr15 steel was investigated by means of testing the tempering stability,impact property and rolling contact fatigue life.The results show that the tempering stability of the specimens can be improved by using controlled forging and controlled cooling technology,the impact property can be increased by more than 50%,and the contact fatigue life can be increased by more than 40%.

关 键 词：GCR15轴承钢 控锻控冷工艺 回火稳定性 冲击性能 滚动接触疲劳 

分 类 号：TG156.1[金属学及工艺—热处理]