A SIMPLIFIED METHOD FOR EVALUATING RESIDUAL STRESSES BY MEANS OF CTOD MEASUREMENTS

机译：一种通过CTOC测量评估残余应力的简化方法

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The purpose of this paper is to suggest a simplified method for relating residual stresses and fracture resistance. Residual stresses were generated in the crack tip vicinity of SENB specimens and measured using X-ray diffraction technique while the fracture resistance was evaluated on the basis of the Crack Tip Opening Displacement. Then, a semi-quantitative approach was developed in order to evaluate the secondary stress intensity factor. Finally, a possible reassessment of the residual stresses is presented and discussed.

机译：本文的目的是提出一种简化的方法，用于与残留应力和裂缝抗性相关。在SeNB样本的裂缝尖端附近产生残余应力，并在X射线衍射技术测量，而基于裂纹尖端开口位移评估裂缝电阻。然后，开发了半定量方法以评估二次应力强度因子。最后，提出并讨论了对残余应力的可能重新评估。

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《Biennial European conference on fracture》|1996年||共6页
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中图分类机械学（机械设计基础理论）;
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1. Simple methods for measurement of three-dimensional residual stresses in bead-on-plate welds: Methods for estimation and measurement of residual stresses by functional representation of inherent strain distribution (3rd report) [J] . Y U EDA, N X MA Welding international . 1995,第6期

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4. A SIMPLIFIED METHOD FOR EVALUATING RESIDUAL STRESSES BY MEANS OF CTOD MEASUREMENTS [C] . M. Pereira, H. Wohlfahrt, F. Darwish Biennial European conference on fracture;ECF 11 . 1996

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5. Acoustoelastic evaluation and neutron diffraction measurements of thermal residual stresses in tungsten fiber-reinforced Kanthal metal matrix composites. [D] . Leisk, Gary Gordon. 1998

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6. Evaluation of Errors Associated with Cutting-Induced Plasticity in Residual Stress Measurements Using the Contour Method [O] . Y. L. Sun, M. J. Roy, A. N. Vasileiou, -1

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8. Effect of Thermal and Weld-Induced Residual Stresses on the J-Integral and CTOD211 in Elastic-Plastic Fracture Analyses [R] . Delfin, P., Sattari-Far, I., Brickstad, B. 1999

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A SIMPLIFIED METHOD FOR EVALUATING RESIDUAL STRESSES BY MEANS OF CTOD MEASUREMENTS

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