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A New Model Material for Photo Elasticity

Rao, Amba CL (1955) A New Model Material for Photo Elasticity. In: Nature, 176 (4471). p. 81.

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GELATIN, and a number of imported plastics like 'Catalin 800', 'BT.61-893', 'CR-39', 'Marco Resin', etc., are commonly used as model materials. Gelatin is optically more sensitive than all other materials, but has some disadvantages. The stress-optical sensitivity of gelatin1 varies considerably with the gelatin concentration, glycerine content and temperature; the recommended working range of temperature is $14^o–19^o C$.2 In the tropics, the gelatin mix is very weak elastically at room temperature, whereas gar has proved to be more stable.

Item Type: Journal Article
Publication: Nature
Publisher: Nature Publishing Group
Additional Information: Copyright for this article belongs to Nature Publishing Group.
Department/Centre: Division of Mechanical Sciences
Date Deposited: 20 Oct 2008 09:07
Last Modified: 19 Sep 2010 04:51
URI: http://eprints.iisc.ac.in/id/eprint/16322

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