J-integral analysis of the end-notched flexure (ENF) specimen
Conference
·
OSTI ID:136778
- Texas A and M Univ., Kingsville, TX (United States). Dept. of Mechanical and Industrial Engineering
A J-Integral analysis of the ENF specimen used to characterize mode 2 delamination fracture toughness of fiber reinforced composites has been developed. The analysis uses a two-dimensional form of the J-Integral and beam theory, accounts for geometric and material nonlinearities, crack tip deformations, and transverse shear. A linear elastic finite element assessment of the J-Integral has been made, and the feasibility of the analysis to incorporate it into an experimental procedure has been demonstrated. A major advantage of the proposed J for the ENF is that only loads and slopes at four locations along the beam are need to measured it. Material properties and crack lengths are not explicitly needed.
- OSTI ID:
- 136778
- Report Number(s):
- CONF-950740--; ISBN 0-7918-1344-4
- Country of Publication:
- United States
- Language:
- English
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