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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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.
|Uncontrolled Keywords:||Metallic Glasses|
|Divisions:||Material Science and Technology|
|Deposited By:||Sahu A K|
|Deposited On:||09 Jun 2010 12:09|
|Last Modified:||25 Jan 2012 10:49|
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