Stress intensity factors of edge-cracked semi-infinite plates under transient thermal loading

Wei-Chung Wang; Tsai-Lin Chen; Chi-Hung Hwang

doi:10.1117/12.49486

1 December 1991 Stress intensity factors of edge-cracked semi-infinite plates under transient thermal loading

Wei-Chung Wang, Tsai-Lin Chen, Chi-Hung Hwang

Proceedings Volume 1554, Second International Conference on Photomechanics and Speckle Metrology; (1991) https://doi.org/10.1117/12.49486
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

In this paper, the digital caustic technique was used to determine the transient thermal stress intensity factors (SIFs) of edge-cracked semi-infinite plates subjected to a sudden temperature change on the plate edge. Effects of different crack lengths and orientations on SIFs were studied. By using the self-developed image processing software on a locally supported digital caustic system, caustic patterns were analyzed and SIFs were then obtained. The correlation expressions between the variations of transient thermal SIFs with the time, temperature difference and geometrical parameters of the cracks were obtained by a regression procedure.

Citation Download Citation

Wei-Chung Wang, Tsai-Lin Chen, and Chi-Hung Hwang "Stress intensity factors of edge-cracked semi-infinite plates under transient thermal loading", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.49486

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