Stress-Strain Distribution During Transient Heating of a Transversely Anisotropic Material

[+] Author and Article Information
Bob H. Suzuki

Boeing Company, Seattle, Wash.

J. Frisch

University of California, Berkeley, Calif.

J. Basic Eng 85(4), 569-578 (Dec 01, 1963) (10 pages) doi:10.1115/1.3656912 History: Received September 27, 1962; Online November 03, 2011


Four by six-in. transversely anisotropic plates of 1/8 and 1/4 -in-thick pyrolytic graphite were subjected to transient heating in an oxyacetylene flame apparatus. At temperatures up to 1500 deg F, the temperature and thermal strain distributions were determined over the length and thickness of the plates. The thermal strains measured with an optical gauge and the analytically determined strains calculated from the three-dimensional thermoelasticity equations for a two-dimensional temperature distribution were found to be in good agreement. The calculated stress distribution indicates that maximum compressive stresses of −1400 psi and −3000 psi were produced in the 1/8-in. and 1/4-in. pyrolytic-graphite plates, respectively.

Copyright © 1963 by ASME
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