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RESEARCH PAPERS

3-D Elastic Analysis of a Circular Nozzle Corner Crack

[+] Author and Article Information
W. W. Wilkening

General Electric Company, Corporate Research and Development, Schenectady, N.Y. 12301

J. Pressure Vessel Technol 108(4), 474-478 (Nov 01, 1986) (5 pages) doi:10.1115/1.3264815 History: Received February 26, 1985; Revised December 04, 1985; Online November 05, 2009

Abstract

A 3-D linear elastic analysis has been performed for a circular crack located in the nozzle corner region of a nuclear pressure vessel. The stress intensity factor, K , was found to be virtually constant along the crack front for this particular nozzle corner flaw, which extends one quarter of the distance through the nozzle corner diagonal. The magnitude of K is discussed in relation to the stress intensity factor for the ASME Maximum Postulated Flaw, and is compared to the results of a number of other analyses reported in the literature.

Copyright © 1986 by ASME
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