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由夏比冲击试验结果预测断裂韧性K_(IC)转变曲线的方法 被引量:1

Prediction Method of Fracture Toughness K_(IC) Transition Curve from Charpy V—Notch Impact Test Results
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摘要 本文介绍,用Charpy V一切口冲击值与屈服强度值,预测低合金钢断裂韧性K_IC转变曲线的两种方法。一种方法,是使用一条各种材料K_IC/K_(IC-US)和相关温度关系的主曲线;其中K_(IC-US)表示上平台温度的断裂韧性值,相关温度是一个FATT试验温度的负值。另一种方法,是使用一条K_IC/K_(IC-US)与T—To关系的主曲线;且温度的改度量△T在下平台温度断裂韧性K_(IC-LS)和Charpy冲击转变曲线之间;其中T_0表示该材料K_(IC-US)的1/2值的温度。
出处 《锅炉制造》 1995年第2期42-49,27,共9页 Boiler Manufacturing
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  • 1Stephen W, Bannister A. Structural Integrity Assessment Procedure for Europe of the SlNTAP Programme Overview. Engineering Fracture Mechanics, 2000, 67(6): 181-514.
  • 2BS 7448-1991 Fracture Mechanics Toughness Tests.Part 1. Method for Determination of KIC. Critical CTOD and Critical J Values of Metallic Materials.
  • 3KS 7448 -1997 Fracture Mechanics Toughness Tests.Part 2. Method for Determination of KIC, Critical CTOD and Critical J Values of Welds in Metallic Materials.
  • 4Ainsworth R A,Gutierrez-Solana F, Ruiz J Ocejo.Analysis Levels within the SINTAP Defect Assessment Procedures. Engineering Fracture Mechanics,2000,67(6): 515-527.
  • 5Pisarski H G, Wallin K. The SINTAP Fracture Toughness Estimation Procedure. Engineering Fracture Mechanics, 2000, 67(6): 613-624.
  • 6Gubeljak N,Zerbst U, Kocak M. Prediction of the Maximum Load of Pre-cracked Welded Bars Using Charpy Data According to the Default Level of the European SINTAP Procedure. The International Journal of Pressure Vessels and Piping, 2002, 79(2): 89 - 98.
  • 7Gubeljak N,Zerbst U,Predan J,et al. Application of the European SINTAP Procedure to the Failure Analysis of a Broken Forklift. Engineering Fracture Analysis. 2004.11 (1) : 33-47.

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