Crystallization study of amorphous fe40ni40b20 by electrical-resistivity measurement

Mitra, A and Rao, Venkatesh and Pramanik, S and Mohanty, O N (1992) Crystallization study of amorphous fe40ni40b20 by electrical-resistivity measurement. Journals of Materials Science, 27 (21). pp. 5863-5868.

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Abstract

The crystallization in amorphous Fe40Ni40B20 alloy has been studied by electrical resistivity measurement. It shows a three stage compared to the more conventional two-stage crystallization behaviour in many metallic glasses. The Johnson-Mehl-Avrami equation was found to be operative only for 40% transformed crystallized volume for the highest measured isotherm (740 K). The Avrami exponent and activation energy were found to be 1.75 and 53 kcal mol-1, respectively. The low activation energy in the amorphous alloy has been explained by the structural relaxation model.

Item Type: Article
Uncontrolled Keywords: Metallic Glasses
Subjects: Materials Science
Divisions: Material Science and Technology
Depositing User: Users 5 not found.
Date Deposited: 09 Jun 2010 06:39
Last Modified: 25 Jan 2012 05:19
URI: http://eprints.nmlindia.org/id/eprint/905

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