Abstract
Crack-tip opening displacement (CTOD) tests and large deformation finite element analyses were conducted for double-edge notched tension specimens, single-edge notched tension specimens, three-point bend specimens and center-cracked tension specimens. Results of the CTOD tests suggest that the fracture toughness of the material decreases and a ductile-brittle fracture transition occurs as the in-plane plastic constraint of the specimens increases. Finite element analyses on the other hand indicate that the maximum achievable tensile stress outside the finite strain zone ahead of the crack tip increases with increasing plastic constraint.
Original language | English |
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Pages (from-to) | 376-386 |
Number of pages | 11 |
Journal | ASTM Special Technical Publication |
Issue number | 1207 |
Publication status | Published - Dec 1995 |
Externally published | Yes |
Event | Proceedings of the 24th National Symposium on Fracture Mechanics - Gatlinburg, TX, USA Duration: 30 Jun 1992 → 2 Jul 1992 |
ASJC Scopus subject areas
- General Engineering