The technique of measurement of growth, rate of fatigue short crack with indirect KC (IDC) potential system and AC potential system was investigated.
木文研究了间接直流电位法（IDC法）和交流电位法（AC法）用于监测疲劳短裂纹扩展速率的有关技术问题。
As compared with the experimental life it shows that the predicting ability based on the growth characteristics of short fatigue crack was improved obviously.
预测和实测寿命对比表明，基于短裂纹扩展特性的预测能力有显著改善。
As compared with the experimental life it shows that the predicting ability based on the growth characteristics of short fatigue crack was improved obviously.
预测和实测寿命对比表明，基于短裂纹扩展特性的预测能力有显著改善。
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