Birefringence behaviour of an epoxy resin in compression
作者： C P Bettany , H Fessler
DOI: 10.1088/0508-3443/14/10/322
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摘要: Strain and birefringence due to stresses up 6 ton in-1 were measured. Specimens compressed between flat platens. Birefringence was found be proportional strain 4.5%, but are only stress 1.25% strain. Up 4.5% the non-linearity is delayed elasticity.
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