摘要
12Cr2Ni4A齿轮钢渗碳层中有众多粒状弥散碳化物时,耐磨性和接触疲劳寿命最高。这种渗层可用多段预处理法获得,十分简单,碳化物形态优于国外同类齿轮的渗层。对于重载耐磨航空齿轮,应规定其渗层中要有众多粒状弥散碳化物存在。
12Cr2Ni4A gear steel with a great quantity of disperse spheroidal carbides in the carburizing case has superior wear resistance and long life of contact fatigue. This kind of carburizing case can be obtained by multi-stage pre-processing technique. It is easy to manipulate, and the morphology of carbides obtained is better than that of foreign gears. Therefore, it is suggested to stipulate in the technical specification that a large quantity of disperse carbides should be existed in the case of heavy duty gears subjected wear.
出处
《材料工程》
EI
CAS
CSCD
北大核心
1989年第6期35-40,共6页
Journal of Materials Engineering
