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IJEMS Vol.14(4) [August 2007] >


Title: Elastic-plastic stress analysis of a thermoplastic composite disc under parabolic temperature distribution
Authors: Sen, Faruk
Pekbey, Yeliz
Saymana, Onur
Issue Date: Aug-2007
Publisher: CSIR
IPC CodeC08B, G01L1/00
Abstract: In this study, an elastic-plastic thermal stress analysis was carried out on a steel fiber reinforced thermoplastic composite disc under a parabolic temperature distribution. The thermal elastic and elastic-plastic solutions were obtained both analytically and numerically. Therefore, FORTRAN and ANSYS programs were used to calculate of thermal stresses for comparison. Tsai-Hill theory was used as a yield criterion during the solution. Thermal stresses occurred in the disc for the parabolic temperature distribution due to the different thermal expansions in radial and tangential directions. The magnitudes of the radial stress components were obtained to be small in comparison with the tangential stress components. Additionally, the tangential stress component was found to be compressive and the highest around the inner surface. According to obtained results these two solutions to be in good agreement. The intensities of the residual stress component of the tangential stress and plastic flow were the highest at the inner surface.
Page(s): 282-288
ISSN: 0971-4588
Source:IJEMS Vol.14(4) [August 2007]

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