Formation of micro shear bands during cyclic deformation of sub-microcrystalline nickel

Dey, S R and Hollang, L and Beausir, B and Hieckmann, E (2013) Formation of micro shear bands during cyclic deformation of sub-microcrystalline nickel. Scripta Materialia, 68 (8). pp. 631-634. ISSN 1359-6462

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Abstract

Cyclic deformation of sub-microcrystalline nickel at high plastic strain amplitude generated macro shear bands, causing fatal cracking. The macro shear bands consisted of several micro shear bands, each band containing a single layer of elliptical grains that appeared at less than 50° with respect to the loading axis. Micro texture investigations in micro shear bands revealed almost the same texture with similar shear values as in macro shear bands. During cyclic deformation local overlapping of evolving micro shear bands resulted in formation of fatal macro shear bands.

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IITH Creators:	IITH Creators ORCiD
Item Type:	Article
Uncontrolled Keywords:	Cyclic deformation; Electron backscatter diffraction; Shear band; Sub-microcrystalline nickel
Subjects:	Materials Engineering > Materials engineering
Divisions:	Department of Material Science Engineering
Depositing User:	Team Library
Date Deposited:	15 Dec 2014 11:22
Last Modified:	15 Dec 2014 11:22
URI:	http://raiithold.iith.ac.in/id/eprint/1123
Publisher URL:	http://dx.doi.org/10.1016/j.scriptamat.2012.12.023
Related URLs:	Google Scholar

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