Title

Comments on "A critique of the Ayres-Stein method of predicting cleavage planes in metals"

Document Type

Article

Publication Date

1-1-1978

Abstract

The Ayres-Stein model does correctly explain the anomalous {100} cleavage in the BCC metals. Fracture mechanics stress fields also give results consistent with experiments when applied properly by considering an internally pressurized crack to propagate as a mixed mode crack, not pure mode I as suggested by Pharr et al. The assumption of slip taking place on only the highest stressed slip system is consistent with observations whereas the assumption by Pharr et al of slip occuring on all slip systems is not supported by experiment and does not appear necessary. © 1978.

Publication Title

Scripta Metallurgica

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