Stresses Induced in Fiber-Reinforced Tubes Due to Changes in Temperature and Moisture

[+] Author and Article Information
Byung S. Kim

Composite Materials Lab., Korea Institute of Machinery & Metals, (KIMM), P.O. Box 41, Changwon, Korea

Terry F. Lehnhoff

Department of Mechanical and Aerospace Engineering and Engineering Mechanics, University of Missouri-Rolla, Rolla, MO 65401

J. Eng. Mater. Technol 117(2), 228-234 (Apr 01, 1995) (7 pages) doi:10.1115/1.2804534 History: Received December 01, 1990; Online November 27, 2007


An orthotropic hygrothermal stress solution has been formulated for an infinitely long fiber-reinforced tube of any number of plies of any material, with arbitrary orientation of each of the plies. The solution allows the determination of stresses when the tube is subjected to changes in temperature and moisture content. In the formulation, a temperature gradient through the thickness has been taken into account such that the formulation can be applied when the temperature inside the tube is not the same as that outside. This set of equations, together with the prescribed boundary conditions, has been solved numerically. It is shown that the stresses induced due to moisture absorbed from the environment are significant.

Copyright © 1995 by The American Society of Mechanical Engineers
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