Crystallization studies on amorphous Al-Y-Ni and AI-Y-Cu alloys

Goyal, A. ; Murty, B. S. ; Ranganathan, S. (1993) Crystallization studies on amorphous Al-Y-Ni and AI-Y-Cu alloys Journal of Materials Science, 28 (22). pp. 6091-6095. ISSN 0022-2461

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Official URL: http://www.springerlink.com/content/n8k72061884801...

Related URL: http://dx.doi.org/10.1007/BF00365027

Abstract

Al83Y10Ni7, Al80Y10Ni10 and Al80Y10Cu10 alloys were studied by the rapid solidification processing route. The glass-forming ability was found to decrease in the order of alloys mentioned above. Differential scanning calorimetry (DSC) of these amorphous alloys showed that the amorphous phase in Al-Y-Ni alloys has a higher thermal stability when compared to that in Al-Y-Cu alloys. A four-stage crystallization sequence could be identified for the Al-Y-Ni amorphous alloys. Even though the Al80Y10Cu10 alloy showed four exothermic peaks in the DSC study, a definite crystallization sequence could not be arrived at due to the coexistence of many crystalline phases along with the amorphous phase in the melt-spun condition.

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ID Code:73370
Deposited On:02 Dec 2011 07:59
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