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Engineering LibreTexts

13: Introduction to Photoelasticity

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  • Learning Objectives

    On completion of this TLP you should:

    • understand the phenomenon of birefringence
    • know how materials scientists use photoelasticity
    • be able to distinguish between isochromatic and isoclinic fringes
    • be able to relate stress patterns in polycarbonate rods to the bending rig used and the deformation in the rod
    • know and be able to use the Stress-Optic Law

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