Luminance properties of mechanoluminescence material and stress visualization in adhesive layer

摘要

The Luminance property of cured resin including mechanoluminescence material was investigated experimentally under combined state of tensile and shear stress using ARCAN jig. The dependency of the luminance on not only the stress components but also on the stress rate was examined. To use the resin including the mechanoluminescence material as an adhesive, stress visualization along adhesive layer between two transparent of a lap shear joint adherends was carried out under quasi-tensile loads. The visualization was performed successfully and the stress distribution was observed qualitatively and very clearly. Qualitative evaluation of stress value was tried due to the luminance property experimentally obtained.