SEDL / STP / STP513-EB / STP34115S

Toward Assessing the Effects of Crack Front Curvature (CFC)

Swedlow, JL
Carnegie Institute of Technology, Carnegie-Mellon University, Pittsburgh, Pa.

Ritter, MA
Carnegie Institute of Technology, Carnegie-Mellon University, Pittsburgh, Pa.

Pages: 11    Published: Jan 1972

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Abstract

Crack front curvature (CFC) is shown to affect the K calibration of four special geometries for which analysis is currently practicable. The inference is drawn that assuming straight crack fronts in, say, test specimens having non-zero CFC may be non-conservative; the aim of this paper is to initiate further investigation of the effects of CFC.