Abstract
In the present study, an electric resistance change method is adopted for the identifications of location and size of the embedded delaminations. Indentation tests are conducted to create embedded delamination cracks in CFRP plates. Two lines and eight columns of electrodes are mounted on the plate surface for measurements of electric resistance changes due to delamination creations. Response surface methodologies are applied to obtain the relation between the delaminations and measured electric resistance changes. The effect of temperature change is experimentally measured using the plate specimen. As a result, the method can successfully estimate the location and size of embedded delaminations, and the effect of the temperature change is neglectable by using compensation for temperature change.
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