偏光レーザを用いた接着層残留応力の計測

概要

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Optical birefringence is measured by a high-frequency modulation method using a photoelastic modulator and polarized laser. This measurement method has the high sensitivity required to measure very small birefringence. The distributions of optical birefringence corresponding to stress distributions are measured for a glass plate with notches and a bonded glass plates with epoxy resin. The residual stress caused by the bonding process is evaluated.
1992-10-25