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Measuring toughness and the cohesive stress-displacement relationship by the essential work of fracture concept

Cotterell, B., Pardoen, T. and Atkins, A. G. (2005) Measuring toughness and the cohesive stress-displacement relationship by the essential work of fracture concept. Engineering Fracture Mechanics, 72 (6). pp. 827-848. ISSN 0013-7944

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To link to this article DOI: 10.1016/j.engfracmech.2004.10.002

Abstract/Summary

The complete fracture behaviour of ductile double edge notched tension (DENT) specimen is analysed with an approximate model, which is then used to discuss the essential work of fracture (EWF) concept. The model results are compared with the experimental results for an aluminium alloy 6082-O. The restrictions on the ligament size for valid application of the EWF method are discussed with the aid of the model. The model is used to suggest an improved method of obtaining the cohesive stress-displacement relationship for the fracture process zone (FPZ).

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Construction Management and Engineering > Innovative and Sustainable Technologies
ID Code:11918
Uncontrolled Keywords:DUCTILE FRACTURE, CRACK-GROWTH, RESISTANCE

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