The normal and triaxial stresses on untracked ligament for different specimens were analyzed by large deformation plane strain finite element analysis (FEM) at their fracture loads, and the critical characteristic parameters (J. Q, k) of the stress field established in Part I [Fashang Ma and Zhen-Ba
Fracture initiation in elastic-plastic bodies
β Scribed by E.M.S. Nair; P.A.S. Moorthy; C. Ganapathy; N.G. Nair
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 619 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0013-7944
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B~.sed on the engineering fracture parameter CTOA, a new approach to the structural integrity assessment for non-J-controlled crack growth is proposed in the present paper. When the crack propagation is in the situation of J-controlled crack growth, the single curve assessment method for ductile fra
## Stress and deformation were analyzed in detail by the large deformation plane strain finite element method for several specimens. An elastic-plastic stress field near a blunting crack tip in finite bodies was constructed; the stress field was composed of a dominant term with a different singul