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标题:Review of fracture toughness (G, K, J, CTOD, CTOA) testing and standardization
时间:2019-10-09 23:59:11
DOI:10.1016/j.engfracmech.2012.02.001
大小:1286 kb
页数:47 PAGES
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目录:
  • Review of fracture toughness (G, K, J, CTOD, CTOA) testing and standardization
    • 1 Introduction
    • 2 K-based fracture testing
      • 2.1 K-factor concept and elastic crack-tip field
      • 2.2 Early fracture testing
      • 2.3 KIc testing and ASTM E399 development
      • 2.4 K–R curve testing and ASTM E561 development
    • 3 J-based fracture testing
      • 3.1 J-integral concept and HRR field
      • 3.2 Early J estimation and η-factor equations
      • 3.3 Incremental J-integral equations
      • 3.4 Experimental methods for determining J–R curves
      • 3.5 Crack initiation and fracture instability
      • 3.6 CMOD-based η factor equations
      • 3.7 Improved crack growth correction procedure
      • 3.8 CMOD-based incremental J-integral equations
      • 3.9 Normalization data reduction technique
      • 3.10 ASTM E813, E1152, E1737, and E1820 development
    • 4 Cleavage toughness KJc testing and reference temperature T0 determination
      • 4.1 KJc concept and cleavage fracture
      • 4.2 Weibull statistical model
      • 4.3 Master curve method
      • 4.4 ASTM E1921 development
    • 5 CTOD and CTOA-based fracture testing
      • 5.1 CTOD concept and estimation
      • 5.2 CTOD testing and ASTM E1290 (E1820) development
      • 5.3 CTOA testing and ASTM E2472 development
    • 6 Constraint effect on fracture toughness
      • 6.1 Experimental observations on fracture constraint effect
      • 6.2 Fracture constraint theories
        • 6.2.1 The J–T approach
        • 6.2.2 The J–Q theory
        • 6.2.3 The J−A2 three-term solution
        • 6.2.4 Consideration of the global bending influence
      • 6.3 Constraint correction approaches
    • 7 Discussions and conclusions
    • References

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