Generation of Crack Propagation Data on Notched Rotating Beam Specimens by Means of an Interrupted Stressing Technique

[+] Author and Article Information
R. Eisenstadt

Union College, Schenectady, N. Y.

Ware D. Fuller

Dynatech Research & Development Co., Cambridge, Mass.

J. Basic Eng 92(1), 183-190 (Mar 01, 1970) (8 pages) doi:10.1115/1.3424927 History: Received August 01, 1968; Online October 27, 2010


A simple, inexpensive technique of generating crack propagation data on rotating beam specimens of relatively small dimensions (1/2 in. dia by 3 in. long) has been developed. A recent solution for stress intensity factors on circumferentially notched round specimens [1]2 has made such data comparable with data generated by other specimen geometries. It is the purpose of this paper to develop this approach as an alternative method of generating crack propagation data. This technique should be especially useful for generating crack growth data approaching plane strain conditions under very low stresses where many cycles are required or for those materials where only small volumes are available as composites and powder metallurgy.

Copyright © 1970 by ASME
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