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研究了轴承钢碳化物及晶粒细化对轴承钢疲劳寿命的影响。结果表明;细化轴承钢中的碳化物可以使其疲劳裂纹扩展速率下降,而同时细化轴承钢中的碳化物和晶粒,会使其疲劳裂纹扩展速率下降更明显。
The effects of bearing steel carbides and grain refinement on the fatigue life of bearing steel were studied. The results show that the refinement of carbide in bearing steel can decrease the fatigue crack growth rate, while the refinement of carbides and grains in bearing steel can make the fatigue crack growth rate decrease more obviously.