Analysis and Simulation of Elastic-Plastic Fracture Parameters at Crack Tip under Biaxial Loading and Uniaxial Loading

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Based on the J-A2 two-parameter elastic-plastic fracture theory and finite element numerical method, the elastic-plastic stress field ahead of the crack tip in a single edge cracked eccentric tensile specimen (the load-line is at a finite distance from the crack tip) was analyzed and compared with that of a center cracked large plate under biaxial loading. By using the Ritchie-Knott-Rice fracture criterion, a transformational relation between the two loading modes was obtained based on the J-A2 equivalent principle. As a result, the fracture parameter determined from a single edge cracked eccentric tensile specimen can be applied to the fracture analysis of a center cracked plate under biaxial stress.

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Periodical:

Edited by:

Xingang Zhou, Mingjin Chu, Jinming Liu, Shuying Qu and Haitao Fan

Pages:

2883-2886

DOI:

10.4028/www.scientific.net/AMM.166-169.2883

Citation:

Z. X. Wang and R. Liu, "Analysis and Simulation of Elastic-Plastic Fracture Parameters at Crack Tip under Biaxial Loading and Uniaxial Loading", Applied Mechanics and Materials, Vols. 166-169, pp. 2883-2886, 2012

Online since:

May 2012

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$38.00

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