Plane Strain Crack Arrest Characterization of Steels

[+] Author and Article Information
P. B. Crosley, E. J. Ripling

Materials Research Lab, Inc., Glenwood, Ill.

J. Pressure Vessel Technol 97(4), 291-298 (Nov 01, 1975) (8 pages) doi:10.1115/1.3454310 History: Online October 25, 2010


The data presently available on the plane strain crack arrest toughness (KIa ) of steels are reviewed, using as a definition of KIa the stress intensity factor, K, a short time after a run-arrest segment of rapid crack extension. The data indicate that KIa , defined in this way, is a material property, i.e., it is independent of the manner in which it is measured. Calculations, available in the literature, on the dependence of dynamic K on a crack velocity are used to justify this invariance. It is also shown that KIa may be the minimum value of toughness, at a given temperrature, as a function of loading rate.

Copyright © 1975 by ASME
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