Volume 34 Issue 1
Feb.  2019
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CHENG Yingjin, WANG Tao, XUE Gang, WANG Renfu. The Statistical analysis on the Paris's Fatigue Model Parameters and Prediction on Fatigue Crack Growth Life of 10Ni5CrMoV Steel and Its Joint[J]. Development and Application of Materials, 2019, 34(1): 1-6. DOI: 10.19515/j.cnki.1003-1545.2019.01.001
Citation: CHENG Yingjin, WANG Tao, XUE Gang, WANG Renfu. The Statistical analysis on the Paris's Fatigue Model Parameters and Prediction on Fatigue Crack Growth Life of 10Ni5CrMoV Steel and Its Joint[J]. Development and Application of Materials, 2019, 34(1): 1-6. DOI: 10.19515/j.cnki.1003-1545.2019.01.001
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The Statistical analysis on the Paris's Fatigue Model Parameters and Prediction on Fatigue Crack Growth Life of 10Ni5CrMoV Steel and Its Joint

  • Luoyang Ship Material Research Institute, Luoyang 471023, China

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  • Received Date: July 29, 2018
  • Available Online: March 15, 2024
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    • Abstract
  • Based on Paris's model of fatigue crack propagation, a fiting formula for the course of fatigue crack growth of 10 Ni5 CrMoV steel and its welded joint was set up, and a statistical analysis on parameters c and m of the formula and fatigue crack growth life was carried out. The results showed that the parameters c and m were in good agreement with fatigue life data, the data of lg c and m complied with normal distribution and had great linear independence, and the fatigue crack growth life was a weibull distribution.
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