OS1308 応力発光体に生じる曲げ応力と発光強度の関係

Abstract

Mechanoluminescence (ML) is one of a luminescence phenomenon, which is excited by the mechanical energy, such as strain energy. Thus, ML is expected to use as a stress sensor. In this paper, in order to investigate the relationship between the bending stress and ML, a four point bending test is carried out by using an epoxy resin specimen containing ML material. The equation, which describes the relation between the emission intensity, the loading velocity ,and the maximum displacement, is proposed. The efficiency of the proposed equation is confirmed.