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RESEARCH PAPERS

Stress Singularity in Transient Thermoelastic Field of a Fiber-Reinforced Composite Tube

[+] Author and Article Information
N. Noda

Department of Mechanical Engineering, Shizuoka University, Hamamatsu, Shizuoka, Japan

F. Ashida

Department of Mechanical Engineering, Tsuyama National College of Technology, Tsuyama, Okayama, Japan

J. Pressure Vessel Technol 112(4), 404-409 (Nov 01, 1990) (6 pages) doi:10.1115/1.2929896 History: Received August 02, 1989; Revised February 01, 1990; Online June 17, 2008

Abstract

The present paper discusses a transient thermoelastic contact problem in a fiber-reinforced composite tube. The tube is inserted into a supporting body such as a ring, and subjected to heating and hydrostatic pressure in it. The fiber-reinforced composite possesses strong thermal and mechanical anisotropies, so the thermoelastic analysis of anisotropic material is very important. The stress produced in the tube has singularity at the end of contacted surface of the tube. The stress singularity may lead to a crack on the surface so that the tube may fracture. If we consider the safety of the tube in service, it is very important to evaluate the stress singularity. For that, the transient thermoelastic contact problem of the tube is analyzed, and the stress distribution and the strength of the stress singularity become clear.

Copyright © 1990 by The American Society of Mechanical Engineers
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