Experimental results indicate that, in the case of single peak stretching overload,intense overload retartation effect (OLRE)exists in short fatigue crack growth and the short fatigue crack is moro sensitive to the OLRE.

 
  • 试验表明,在单峰拉伸过载情形下,短裂纹扩展存在比较强烈的过载迟滞效应;
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