STRESS-STRAIN DISTRIBUTION DURING TRANSIENT HEATING OF A TRANSVERSELY ANISOTROPIC MATERIAL
Four by six-inch transversely anisotropic plates of 1/8 and 1/4 inch thick pyrolytic graphite were subjected to transient heating in an oxyacetylene ilame 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 gage 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 inch and 1/4-inch pyrolytic graphite plates, respectively. (auth)
- Research Organization:
- Boeing Co., Seattle; California. Univ., Berkeley
- DOE Contract Number:
- W-7405-ENG-48
- NSA Number:
- NSA-17-018222
- OSTI ID:
- 4733909
- Report Number(s):
- UCRL-13042(Rev.)
- Resource Relation:
- Other Information: Orig. Receipt Date: 31-DEC-63
- Country of Publication:
- United States
- Language:
- English
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