Crack growth monitoring by strain sensing |
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| Authors: | R.W.E. Shannon |
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| Affiliation: | Department of Mechanical Engineering, The Queen''s University of Belfast, Northern Ireland |
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| Abstract: | A simple method, based on the changes in strain pattern which are induced in a body by crack extension, is proposed for the measurement and sensing of crack growth. Experimental evidence is presented to demonstrate its ability to monitor the growth of cracks emanating at the bore surface of thick-walled cylinders, and detect crack instability during fracture toughness tests. |
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