SEDL / STP / STP601-EB / STP28661S

Criteria for Growth of the Angled Crack

Swedlow, JL
Professor, Department of Mechanical Engineering, Carnegie Institute of Technology, Pittsburgh, Pa.

Pages: 16    Published: Jan 1976

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Abstract

Mixed mode fracture in two dimensions has been of recent interest via study of a crack at an arbitrary angle to the axis of applied load. Three criteria for growth under tensile loads are reviewed and, although they proceed on distinct bases, give similar results. A corollary to a minimum energy hypothesis is inferred. A compression model is suggested and examined in terms of two criteria. Comparisons to data, to the extent they are available, are considered; observations on the nature of the data are followed by suggestions for further research.