Volume 33 Issue 1
Feb.  2018
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WANG Yuan, FEI Qiqi, ZHAO Cong, WANG Qiang, ZHANG Tianhui. Effect of Load on Fatigue Crack Growth of ADB610 Steel[J]. Development and Application of Materials, 2018, 33(1): 20-24. DOI: 10.19515/j.cnki.1003-1545.2018.01.005
Citation: WANG Yuan, FEI Qiqi, ZHAO Cong, WANG Qiang, ZHANG Tianhui. Effect of Load on Fatigue Crack Growth of ADB610 Steel[J]. Development and Application of Materials, 2018, 33(1): 20-24. DOI: 10.19515/j.cnki.1003-1545.2018.01.005
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Effect of Load on Fatigue Crack Growth of ADB610 Steel

  • College of Mechanical and Electrical Engineering, Yunnan Agricultural University, Kunming 650201, China

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  • Received Date: November 06, 2017
  • Available Online: March 17, 2024
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    • Abstract
  • Under the stress ratio of 0.1, 3 different loads were constantly loaded on 3 groups of compact tension specimens of ADB610 low carbon bainite steel to study the growing of the fatigue crack. The a-N test data of crack length a and the cycle life N were obtained from the tests, and the fatigue crack growth rate was calculated by fitting the a-N test data with the seven point fitting method. The resuts showed that when the load was low, the cycle fatingue life was long; in the first phase of growth of fatigue crack, the fatigue crack growth rate of the low-load was relatively low, however, with the fatigue crack developing gradually, the rate of low-load fatigue crack growth would be the higest.
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