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Summary:
A series of round-robin predictions of fatigue crack life have been conducted since 1976 by ASTM Task Group E24.06.01 on Application of Fracture Data to Life Prediction. The primary objective of these round-robin exercises was to investigate (1) if the compact type (CT) specimen constant-amplitude fatigue-crack-growth-rate data could be used to predict the growth behavior and lives of part-through crack (PTC) specimens under constant amplitude loading, and (2) if center-crack-tension (CCT) specimen constant-amplitude fatigue-crack-growth-rate data could be used to predict the growth behavior and lives of CCT specimens subjected to variable amplitude and random spectrum loadings. Five sets of round-robin predictions were conducted on a total of 57 specimens that were made of three materials: 2219-T851 aluminum, 6Al-4V titanium, and 9Ni-4Co-0.2C steel. This paper summarizes the results of these round-robin analytical predictions and their correlations to test data.
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Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1984. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
