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Crystallization behaviour of Metglas 2826 MB (Fe40Ni38Mo4B18)

Raja, VS and Kishore, * and Ranganathan, S (1987) Crystallization behaviour of Metglas 2826 MB (Fe40Ni38Mo4B18). In: Bulletin of Materials Science, 9 (3). pp. 207-217.

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Abstract

Differential scanning calorimetry, x-ray diffraction and transmission electron microscopy have been employed to determine the thermal stability and identify the crystalline phases on devitrification of Metglas 2826 MB. The glass crystallizes intoγ-FeNiMo and fcc (FeNi)23B6 with activation energies of 270 and 375 kJ mol−1 respectively. The reactions are primary and polymorphic in nature. The influence of Mo towards crystallization of Fe40Ni40B20 has been to enhance the formation of the fcc (FeNi)23B6 phase in preference to orthorhombic (FeNi)3B phase and to raise the thermal stability of the amorphous state.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Indian Academy of Sciences.
Keywords: Crystallization-Kissinger plot-microstructure-metallic glass.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 09 Jul 2009 09:07
Last Modified: 19 Sep 2010 05:34
URI: http://eprints.iisc.ernet.in/id/eprint/20653

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