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Evolution of morphology and texture during high energy ball milling of Ni and Ni-5 wt%Cu powders

Chawake, Niraj and Varanasi, Rama Srinivas and Jaswanth, B and Pinto, Linford and Kashyap, Sanjay and Koundinya, NTBN and Srivastav, Ajeet K and Jain, Anshul and Sundararaman, M and Kottada, Ravi Sankar (2016) Evolution of morphology and texture during high energy ball milling of Ni and Ni-5 wt%Cu powders. In: MATERIALS CHARACTERIZATION, 120 . pp. 90-96.

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Official URL: http://dx.doi.org/10.1016/j.matchar.2016.08.019

Abstract

In the present study, alloying of Ni with Cu was attempted using Ni and Cu elemental powders via high energy ball milling. The morphological and texture evolution during milling was studied. The {001} texture was observed in milled particles when they develop flaky morphology with large (L/D similar to 100) ratio and it changed to random texture when these flakes fragmented into tiny particles on further milling. These observations are rationalized by invoking the deformation mechanisms operating during milling. Extensive twinning was observed in the milled particles. The flaky nature of Ni is found to be stabilized with the addition of Cu with concomitant reduction in strain hardening compared to pure nickel. (C) 2016 Elsevier Inc. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ELSEVIER SCIENCE INC, 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 03 Dec 2016 10:15
Last Modified: 03 Dec 2016 10:15
URI: http://eprints.iisc.ac.in/id/eprint/55418

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