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RESEARCH PAPERS

On the Motion of an Axial Through Crack in a Pipe

[+] Author and Article Information
A. F. Emery, M. Perl, W. J. Love, A. S. Kobayashi

Department of Mechanical Engineering, University of Washington, Seattle, Wash. 98195

J. Pressure Vessel Technol 103(3), 281-286 (Aug 01, 1981) (6 pages) doi:10.1115/1.3263402 History: Received April 07, 1981; Online November 05, 2009

Abstract

Based upon photographs of running cracks, a simple split ring model is proposed to simulate axially running cracks in very ductile materials. The model is used in conjunction with a one-dimensional transient fluid flow analysis to calculate the velocity of the crack and the fluid pressure history for air, cold water, and hot water-filled pipes. The model is capable of predicting crack initiation, extension, and arrest.

Copyright © 1981 by ASME
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