SYMPOSIA PAPER Published: 01 January 1974

Further Studies of Crack Propagation Using the Controlled Crack Propagation Approach


In a previous paper, a new fracture-toughness-measuring technique was presented which made it possible to evaluate the functional relationship between load and cracklength at the moment of crack initiation or arrest. It was demonstrated that this relationship is directly relatable to the strain energy release rate and experimental results were presented for a 7075-T6 aluminum alloy.

This paper presents the results of additional exploratory work as the concept is applied to more 7075-T6 aluminum, a 250 grade maraging steel, and AZ31B magnesium plate.

Author Information

Weitzmann, RH
University of California, Berkeley, Calif.
Finnie, I
University of California, Berkeley, Calif.
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Developed by Committee: E08
Pages: 111–126
DOI: 10.1520/STP38596S
ISBN-EB: 978-0-8031-5583-1
ISBN-13: 978-0-8031-0367-2