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本文介绍了18-8系奥氏体不锈钢高温低周疲劳断口的特征以及温度、介质、晶粒度等因素对断口形貌和高温低周疲劳寿命影响的试验研究工作,并对试验结果进行了分析讨论。
In this paper, the characteristics of high temperature and low cycle fatigue fracture of 18-8 series austenitic stainless steel and the influence of temperature, medium and grain size on fracture morphology and high temperature and low cycle fatigue life were introduced. The experimental results were also studied Analysis and discussion.