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TECHNICAL PAPERS

Numerical Simulation of Residual Stresses Caused by Quenching Process in Aluminium Gas Cylinders

[+] Author and Article Information
R. N. Ibrahim, D. Ischenko

Mechanical Engineering Department, Monash University, PO Box 197, Caulfield East, VIC 3145, Australia

Y. C. Lam

School of Mechanical & Production Engineering, Nanyang Avenue, Singapore 639798

J. Eng. Mater. Technol 120(4), 297-299 (Oct 01, 1998) (3 pages) doi:10.1115/1.2807017 History: Received May 09, 1997; Revised June 30, 1998; Online November 27, 2007

Abstract

Residual stresses introduced during quenching process in aluminium gas cylinders contribute to the development of cracks. This may result in leakage or fracture of the cylinders. Finite element studies were conducted to evaluate the effect of the quenching process on through thickness inelastic strain and residual stress distributions in the neck area of the gas cylinder. The numerical modeling and experimental studies confirmed that high level of tensile residual stresses exists at the internal surface of the neck of the aluminium gas cylinders which is susceptible to cracking.

Copyright © 1998 by The American Society of Mechanical Engineers
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