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Observation of kink shear bands in an aluminium single crystal fracture specimen

Patil, Swapnil D and Narasimhan, R and Mishra, Raja K (2009) Observation of kink shear bands in an aluminium single crystal fracture specimen. In: Scripta Materialia, 61 (5). pp. 465-468.

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Abstract

The near-tip deformation field in a high-constraint three-point bend specimen of pure aluminium single crystal is studied using in situ electron back-scattered diffraction and optical metallography. The orientation considered has the notch lying on the (0 1 0) plane and the notch front along direction. Results clearly show the occurrence of a kink shear sector boundary at 90° to the notch line on the specimen free surface as predicted by the analytical model of Rice [J.R. Rice, Mech. Mater. 6 (1987) 317].

Item Type: Journal Article
Additional Information: copyright of this article belongs to Elsevier Science.
Keywords: Kink shear band; Crack tip fields; Electron back-scattered diffraction (EBSD); FCC single crystal
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 23 Dec 2009 08:55
Last Modified: 19 Sep 2010 05:41
URI: http://eprints.iisc.ernet.in/id/eprint/22253

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