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承受化学热处理齿轮的接触疲劳强度及耐磨性能,是判断齿轮使用性能的重要指标之一。关于残余奥氏体对疲劳强度及耐磨性能的影响,国内外还存在着不同的意见。最近几年来,国外关于钢中残余奥氏体的作用问题进行了广泛的研究。总的趋势认为:针对不同零件,不同使用条件,控制合理的残余奥氏体含量对性能的影响是有利的,可以显著地提高零件的寿命。残余奥氏体对表面硬化钢疲劳性能的影响是很
To withstand the chemical heat treatment of gear contact fatigue strength and wear resistance, is to determine the performance of gear one of the important indicators. About retained austenite on the fatigue strength and wear resistance, there are still different opinions at home and abroad. In recent years, foreign countries on the role of retained austenite in steel conducted extensive research. The general trend is that: for different parts, different conditions of use, the controlled residual austenite content of the performance is beneficial, can significantly improve the life of the parts. The effect of residual austenite on the fatigue properties of hardened steel is very high