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Proceedings Paper

Stress intensity factors of edge-cracked semi-infinite plates under transient thermal loading
Author(s): Wei-Chung Wang; Tsai-Lin Chen; Chi-Hung Hwang
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Paper 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.

Paper Details

Date Published: 1 December 1991
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Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); doi: 10.1117/12.49486
Show Author Affiliations
Wei-Chung Wang, National Tsing Hua Univ. (Taiwan)
Tsai-Lin Chen, National Tsing Hua Univ. (Taiwan)
Chi-Hung Hwang, National Tsing Hua Univ. (Taiwan)


Published in SPIE Proceedings Vol. 1554:
Second International Conference on Photomechanics and Speckle Metrology
Fu-Pen Chiang; Fu-Pen Chiang, Editor(s)

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