摘要
17CrNiMo6钢大截面齿轮轴锻件渗碳后齿面硬度偏低,易产生疲劳裂纹。通过采用在渗碳淬火后,对其表面敷干冰做深冷处理,以及提高回火温度,增加回火次数的方法,减少了残余奥氏体,提高了齿轮轴的硬度。
The hardness of 17CrNiMo6 steel gear shaft forging with large section on tooth surface is lower after carburizing, and fatigue crack occur easily. The hardness of gear shaft is improved by the deep cold treatment coating the dry ice on the surface and increasing tempering temperature and times after carburizing and quenching to reduce the residual austenite.
作者
权国辉
张海英
QUAN Guo-hui;ZHANG Hai-yin(Department of Materials Science and Engineering,Zhengzhou Technical College,Zhengzhou Henan 450121,China)
出处
《热处理技术与装备》
2019年第1期8-10,共3页
Heat Treatment Technology and Equipment
基金
河南省高等学校青年骨干教师培养计划(2016GGJS-291)
