齿轮渗碳层碳化物形态对耐磨性和接触疲劳的影响

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材料工程 ›› 1989, Vol. 0 ›› Issue (6) : 35-40.

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工艺

齿轮渗碳层碳化物形态对耐磨性和接触疲劳的影响

王介淦, 冯正, 周建初

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Effect of the Morphology of Carbides in the Carburizing Case on the Wear Resistance and the Contact Fatigue of Gears

Wang Jiegan, Feng Zheng, Zhou Jianchu

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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。

Abstract

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.

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王介淦, 冯正, 周建初. 齿轮渗碳层碳化物形态对耐磨性和接触疲劳的影响[J]. 材料工程, 1989, 0(6): 35-40

Wang Jiegan, Feng Zheng, Zhou Jianchu. Effect of the Morphology of Carbides in the Carburizing Case on the Wear Resistance and the Contact Fatigue of Gears[J]. Journal of Materials Engineering, 1989, 0(6): 35-40

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