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WANG Tao, GONG Xuhui, XUE Gang. Reasonable Analysis of Crack Arrest Toughness Kca Calculation Expression in WES 2815（2014） and UR S33[J]. Development and Application of Materials, 2016, 31(1): 13-16. DOI: 10.19515/j.cnki.1003-1545.2016.01.003
Citation: WANG Tao, GONG Xuhui, XUE Gang. Reasonable Analysis of Crack Arrest Toughness Kca Calculation Expression in WES 2815（2014） and UR S33[J]. Development and Application of Materials, 2016, 31(1): 13-16. DOI: 10.19515/j.cnki.1003-1545.2016.01.003
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Reasonable Analysis of Crack Arrest Toughness Kca Calculation Expression in WES 2815（2014） and UR S33

  • Luoyang Ship Material Research Institute, Luoyang 471023, China

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  • Received Date: November 19, 2015
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    • Abstract
  • Crack arrest toughness Kca of three different crack types is calculated by finite element method for Kca calculation expression and calculation method of crack deflection in WES 2815:2014 《Test method for brittle crack arrest toughness,Kca》 and UR S33 《Requirements for Use of Extremely Thick Steel Plates》. The mistake of Kcacalculation expression in above standards is pointed out based on the FEM calculation results.It is unreasonable to calculate Kca according to the length of crack straight projection for large crack deflection angle.
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