Volume 32 Issue 6
Dec.  2017
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GONG Xuhui, XUE Gang, LI Chong, GAO Zhenpeng. Primary Experimental Validation of Crack Arrest Toughness Index Value for High Strength Thick Plates of Container Ship[J]. Development and Application of Materials, 2017, 32(6): 4-7. DOI: 10.19515/j.cnki.1003-1545.2017.06.002
Citation: GONG Xuhui, XUE Gang, LI Chong, GAO Zhenpeng. Primary Experimental Validation of Crack Arrest Toughness Index Value for High Strength Thick Plates of Container Ship[J]. Development and Application of Materials, 2017, 32(6): 4-7. DOI: 10.19515/j.cnki.1003-1545.2017.06.002
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Primary Experimental Validation of Crack Arrest Toughness Index Value for High Strength Thick Plates of Container Ship

  • Luoyang Ship Material Research Institute, Luoyang 471023, China

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  • Received Date: August 22, 2017
  • Available Online: March 18, 2024
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  • Isothermal double tension tests were carried out on EH40 and EH47 steel plates with thickness of 85 mm and 90 mm for large container ships. Test parameters were determined according to maximum design stress and temperatures under specified crack arrest toughness values to confirm the validity of crack arrest toughness index (-10℃ and Kca ≥ 8 000 N/mm3/2 for plates thicker than 80 mm).Resultsshowed that for tested plates with Kca=8 000 N/mm3/2 at-10℃, crack arrest occured, indicating the validity of the index value.
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