RESEARCH PAPERS: New Investigations Relating to Stress Concentrations Under Creep Conditions

Notch Rupture Behavior as Influenced by Specimen Size and Preparation

[+] Author and Article Information
W. H. Couts

Large Jet Engine Department, General Electric Company, Cincinnati, Ohio

J. W. Freeman

Department of Chemical and Metallurgical Engineering, The University of Michigan, Ann Arbor, Mich.

J. Basic Eng 84(2), 222-225 (Jun 01, 1962) (4 pages) doi:10.1115/1.3657286 History: Received September 06, 1961; Online November 04, 2011


A notch-sensitive forging was tested at 1300 F to measure the effect of machining practice and of limited variations in Kt and specimen size upon notch rupture life. Within the limits studied, specimen size appeared predominant. A discontinuity was observed in the dependence of notch life upon stress.

Copyright © 1962 by ASME
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