Nondestructive Detection of Crack and Delamination of Ceramics Coating on SUS304 Stainless Steel Using ESPI Method

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Abstract:

An electronic speckle pattern interferometry (ESPI) method was applied to nondestructive detection of cracks and delaminations of ceramics coating (Al2O3/NiCr) on SUS304 stainless steel. A drop of surface strain on the coating was found when cracks in the coating or delaminations from the coating/substrate interface occurred.

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Key Engineering Materials (Volumes 321-323)

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586-589

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October 2006

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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