A new simple method for the photoelastic determination of Mode I stress intensity factors from isochromatics is proposed. This method takes into account the fact that a considerable part of the error committed in the photoelastic determination of Mode i stress intensity factors Kt at crack tips, bas
Photoelastic parametric studies of mode I stress intensity factors
β Scribed by N.Srinivasa Murthy; P.Raghavendra Rao
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 458 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0013-7944
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β¦ Synopsis
Results of photoelastic investigations on single edge-notch tension specimens of varying notch angle and crack length are reported. The experimental results of Mode 1 stress intensity factors are compared with analytical results.
π SIMILAR VOLUMES
FOR THE determination of Mode I S.I.F for cracks and geometrical discontinuities in three dimensional photoelastic models, the usual practice is to freeze or lock the stresses in the model and analyse a slice containing the region of interest cut from the model. While several methods have been propo
THE sraxss distribution in a plate into which a crack is generated has been studied by many investigators. The most earlier contri&tuions are due to Inglis[ll, who studied the stresses around an elliptic hole in an iu8nite plate and to Westergaard [2], who treated the crack problem by the complex. v
An improvement of the one-parameter extrapolation method of photoelastic determination of complex (mixed-mode) stress intensity factors at straight or curvilinear crack tips in a plane isotropic elastic medium due to Smith et aL[12, I31 can be achieved by measuring the absolute value of such a facto