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- Title
Two measurement techniques for determining effective stress intensity factors.
- Authors
Wong, S. L.; Bold, P. E.; Brown, M. W.; Allen, R. J.
- Abstract
Two methods were studied for determining crack closure and locking effects under combinations of mixed mode I and II loading, namely the strain gauge and the surface replica methods. They demonstrated that strain gauges are able to detect the mode I crack closure but not mode II crack locking. As an alternative, the surface replica method is suggested as a practical technique for measuring mode II crack locking effects. The effective mode II stress intensity factor range can be estimated by comparison of the actual measured sliding range between a pair of crack faces and the theoretical sliding range.
- Subjects
STRAINS &; stresses (Mechanics); STRAIN gages
- Publication
Fatigue & Fracture of Engineering Materials & Structures, 2000, Vol 23, Issue 8, p659
- ISSN
8756-758X
- Publication type
Article
- DOI
10.1046/j.1460-2695.2000.00341.x