Volume 23 Issue 5
Oct.  2008
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ZHANG Ya-jun, WANG Jia-min, ZHANG Xin-yao, LIANG Jian, CHA Xiao-qin. Test Study of Fracture Toughness on Super-high Strength Structural Steel AF1410[J]. Development and Application of Materials, 2008, 23(5): 12-14,29. DOI: 10.19515/j.cnki.1003-1545.2008.05.003
Citation: ZHANG Ya-jun, WANG Jia-min, ZHANG Xin-yao, LIANG Jian, CHA Xiao-qin. Test Study of Fracture Toughness on Super-high Strength Structural Steel AF1410[J]. Development and Application of Materials, 2008, 23(5): 12-14,29. DOI: 10.19515/j.cnki.1003-1545.2008.05.003
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Test Study of Fracture Toughness on Super-high Strength Structural Steel AF1410

  • Luoyang Ship Material Research Institute, Luoyang 471039, China

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  • Received Date: April 14, 2008
  • Available Online: March 29, 2024
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  • Plane-strain fracture toughness is an important mechanical performance index for damage limitation design, so how to obtain this value through test deserves consideration.In this paper, plane-stain fracture toughness test and ductile fracture toughness test were performed for super-highstrength structural steel AF1410.The results manifested that it was difficult for the specimen with big dimensions in the case of plane-strain to be carried out through ordinary testing machine with lower capacity because of the higher fracture toughness value of the material, that it was attained indirectly for plane-strain fracture toughness value of super-high strength steel by the way of ductile fracture toughness test and pertinent formula calculation if proper specimen selected.
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