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RESEARCH PAPERS

Transient Thermal Stresses in a Reinforced Hollow Disk or Cylinder Containing a Radial Crack

[+] Author and Article Information
Renji Tang, F. Erdogan

Lehigh University, Department of Mechanical Engineering and Mechanics, Bethlehem, Pa. 18015

J. Eng. Gas Turbines Power 107(1), 212-219 (Jan 01, 1985) (8 pages) doi:10.1115/1.3239685 History: Received January 09, 1984; Online October 15, 2009

Abstract

In this paper, the transient thermal stress problem in a hollow cylinder or a disk containing a radial crack is considered. It is assumed that the cylinder is reinforced on its inner boundary by a membrane which has thermoelastic constants different than those of the base material. The transient temperature, thermal stresses, and the crack tip stress intensity factors are calculated in a cylinder which is subjected to a sudden change of temperature on the inside surface. The results are obtained for various dimensionless parameters and material constants. The special cases of the crack terminating at the cylinder-membrane interface and of the broken membrane are separately considered and some examples are given.

Copyright © 1985 by ASME
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