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对高品质Si3 N4陶瓷球和GCr15钢球在同等接触应力条件下进行接触疲劳对比试验。试验结果表明 ,陶瓷球接触疲劳寿命优于GCr15钢球 ,且疲劳寿命离散性与GCr15钢球接近 ,但承载能力不如GCr15钢球。附图 9幅 ,表 2个。
High-quality Si3 N4 ceramic ball and GCr15 steel ball under the same contact stress conditions contact fatigue test. The experimental results show that the contact fatigue life of ceramic ball is superior to that of GCr15 steel ball, and the fatigue life dispersion is close to that of GCr15 steel ball, but the carrying capacity is inferior to that of GCr15 steel ball. Figure 9 Figure, Table 2.