ELASTOPLASTIC ANALYSIS OF A MODE-II FRACTURE SPECIMEN

被引:7
作者
BANKSSILLS, L
SHERMAN, D
机构
[1] Faculty of Engineering, Department of Mechanics, Materials and Structures, The Eda and Jaime Dreszer Fracture Mechanics Laboratory, Tel Aviv University, Ramat Aviv
关键词
D O I
10.1007/BF00041998
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An elasto-plastic analysis of a compact mode II fracture specimen is performed. Both an approximate approach with rigid plastic material and a more exact elasto-plastic finite element calculation are carried out. From this analysis, an η-factor is determined relating the J-integral to the internal energy measured along the specimen crack faces. It is shown through the finite element computation that it is justifiable to define an η-factor. With this result, it is now possible to perform tests on aluminium specimens so as to determine JIIc. © 1990 Kluwer Academic Publishers.
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页码:105 / 122
页数:18
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