Two-dimensional stress analysis for the standard compact specimen under plane stress and plane strain conditions were carried out by using the boundary collocation method. The Dugdale model concept was employed for elasto-plastic analysis. Plastic zone size and crack opening displacements at the typical locations, such as edge of plate, load line, and crack tip, were calculated for the practical range of applied load, and crack length-to-width ratio in the fracture toughness tests. In the process of elasto-plastic analysis, crack opening displacements and stress intensity factors corresponding to the elastic solution of the compact specimen were obtained. These results were shown to reasonably agree with those derived by Srawley and Gross, and by Newman.
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Elasto-Plastic Stress Analysis of the Standard Compact Specimen
H. Terada
H. Terada
National Aerospace Laboratory, Jindaiji, Chofu, Tokyo, Japan
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H. Terada
National Aerospace Laboratory, Jindaiji, Chofu, Tokyo, Japan
J. Pressure Vessel Technol. May 1983, 105(2): 132-137 (6 pages)
Published Online: May 1, 1983
Article history
Received:
February 23, 1982
Revised:
February 11, 1983
Online:
November 5, 2009
Citation
Terada, H. (May 1, 1983). "Elasto-Plastic Stress Analysis of the Standard Compact Specimen." ASME. J. Pressure Vessel Technol. May 1983; 105(2): 132–137. https://doi.org/10.1115/1.3264254
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