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对40CrNiMo 钢和42CrMo 钢离子渗氮齿轮进行了系统的弯曲疲劳强度试验,得出了可供齿轮设计采用的弯曲疲劳极限,并对离子渗氮齿轮的弯曲疲劳断口特征进行了描述。
The flexural fatigue strength tests of 40CrNiMo steel and 42CrMo steel ion nitrided gear were carried out. The bending fatigue limit for gear design was obtained and the bending fatigue fracture characteristics of ion nitriding gear were described.