Volume 33 Issue 4
Aug.  2018
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XUE Gang, WANG Tao, YANG Chaofei, NIU Jiajia, NIU Jicheng. Research on Hydrogen Induced Cracking Mechanism of Ferritic Steel in Welding Process Based on I1 Fracture Criterion[J]. Development and Application of Materials, 2018, 33(4): 49-52. DOI: 10.19515/j.cnki.1003-1545.2018.04.009
Citation: XUE Gang, WANG Tao, YANG Chaofei, NIU Jiajia, NIU Jicheng. Research on Hydrogen Induced Cracking Mechanism of Ferritic Steel in Welding Process Based on I1 Fracture Criterion[J]. Development and Application of Materials, 2018, 33(4): 49-52. DOI: 10.19515/j.cnki.1003-1545.2018.04.009
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Research on Hydrogen Induced Cracking Mechanism of Ferritic Steel in Welding Process Based on I1 Fracture Criterion

  • Luoyang Ship Material Research Institute, Luoyang 471023, China

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  • Received Date: April 26, 2018
  • Available Online: March 17, 2024
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    • Abstract
  • Based on I1 fracture criterion, hydrogen induced cracking mechanism of ferritic steel in welding process is proposed.Material begins to fracture when first stress invariant I1 taken shape by hydrogen pressure, interior stress and applied load reaches fracture strength Ib. The hydrogen induced cracking mechanism was verified by hydrogen charging tensile test of two materials.
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