Volume 33 Issue 4
Aug.  2018
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GAO Zhenpeng, GONG Xuhui, XUE Gang, LIU Gang. Relationship Analysis of Crack Arrest Property and Conventional Mechanical Properties of High Strength Steel[J]. Development and Application of Materials, 2018, 33(4): 6-10. DOI: 10.19515/j.cnki.1003-1545.2018.04.002
Citation: GAO Zhenpeng, GONG Xuhui, XUE Gang, LIU Gang. Relationship Analysis of Crack Arrest Property and Conventional Mechanical Properties of High Strength Steel[J]. Development and Application of Materials, 2018, 33(4): 6-10. DOI: 10.19515/j.cnki.1003-1545.2018.04.002
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Relationship Analysis of Crack Arrest Property and Conventional Mechanical Properties of High Strength Steel

  • Luoyang Ship Material Research Institute, Luoyang 471023, China

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  • Received Date: March 12, 2018
  • Available Online: March 17, 2024
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  • Fifteen troops of crack arrest temperature CAT and tensile strength Rm, nil-ductility transition temperature NDT, ductile-brittle transition temperature ETT50, ductile-brittle transition parameter k and thickness t of high strength plates were analyzed. The relationship formula of CAT and Rm, NDT, Ceq, k and lnkt2 was proposed based on the above results:(1) CAT=2.88·NDT-0.002 4·Rm·NDT + 0.138·kt2; (2) CAT=388.5·Ceq-0.21·Rm-0.006·lnkt2.
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