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A type of mechanically anisotropic, optically sensitive material

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Abstract

The technology for obtaining a mechanically anisotropic, optically sensitive material that can be used in photoelastic stress analysis is described. The mechanically anisotropic, photoelastic materials obtained by this method (method 3) are free of initial birefringence, have a sufficiently high degree of mechanical anisotropy, and possess high optical sensitivity. The elastic and piezooptic properties of specimens of orthotropic material have been investigated and it has been found that the isochromatics (lines of equal path differences Δ) are lines of equal principal strain differences. Experimental results are presented for the stress distribution in an orthotropic disk compressed by a pair of opposing concentrated forces.

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Authors
  1. I. I. Grakh
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  2. A. F. Mozhanskaya
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Additional information

Translated from Mekhanika Polimerov, No. 5, pp. 835–839, September–October, 1971.

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Grakh, I.I., Mozhanskaya, A.F. A type of mechanically anisotropic, optically sensitive material. Polymer Mechanics 7, 747–751 (1971). https://doi.org/10.1007/BF00857497

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  • DOI: https://doi.org/10.1007/BF00857497

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