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TECHNICAL BRIEFS

Closed Form Expressions for Fracture Mechanics Analysis of Cracked Pipes

[+] Author and Article Information
A. Zahoor

Impell Corporation, Bethesda, Md. 20814; Novetech Corporation, Bethesda, Md.

J. Pressure Vessel Technol 107(2), 203-205 (May 01, 1985) (3 pages) doi:10.1115/1.3264435 History: Received August 21, 1984; Revised December 17, 1984; Online November 05, 2009

Abstract

Closed form stress intensity factor (K1 ) expressions are presented for cracks in pipes subjected to a variety of loading conditions. The loadings considered are: 1) axial tension, 2) remotely applied bending moment, and 3) internal pressure. Expressions are presented for circumferential and axial cracks, and include both part-through and through-wall crack geometries. The closed form K1 expressions are valid for pipe radius to wall thickness ratio between 5 and 20.

Copyright © 1985 by ASME
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