抄録
In order to estimate the life time of the structures, it is necessary to observe the deterioration mechanism of the material accurately. Optical measurement technology is surface measurement, but it is possible to measure when, where, and how destruction of the material occurs. In this study, the application possibility to defective inspection of the electronic speckle pattern interferometry (ESPI) measurement which is one of the optical measurement techniques have been examined. Uniaxial tensile test was performed to the defected aluminum alloy plates, and the destructive behavior was precisely observed Moving features of strain localized bands which propagate over the specimens is precisely investigated.
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