Abstract
This paper is presented with the aim of evaluating the scattered-light method and techniques avairable for analyzing the photoelastic stresses in stressed models. Many representative scattered light patterns for tensile member, simple beam, tension plate with a central circular hole, and uniform torsion bars with several cross-sectional forms are presented to illustrate characteristics of the scattered-light method. Relative phase retardation graphs for Epoxy resin simple beam, Epoxy resin tensile plate with a central circular hole, and Diallyl Phthalate resin uniform solid circular torsion bar are drawn. From these graphs We have determined the frozen stress sensitivity of Epoxy resin as f=44.7mm·kg-1, and the stress sensitivitv of DAP resin at room temperature as f=0.732 mm·kg-1.
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