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Microstructural and mechanical behavior study of suction cast Nb-Si binary alloys

Kashyap, S and Tiwary, CS and Chattopadhyay, K (2013) Microstructural and mechanical behavior study of suction cast Nb-Si binary alloys. In: Materials Science and Engineering: A, 583 . pp. 188-198.

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Official URL: http://dx.doi.org/10.1016/j.msea.2013.06.045

Abstract

The solidification pathways of Nb rich Nb-Si alloys when processed under non-equilibrium conditions require understanding. Continuing with our earlier work on alloying additions in single eutectic composition 1,2], we report a detailed characterization of the microstructures of Nb-Si binary alloys with wide composition range (10-25 at% Si). The alloys are processed using chilled copper mould suction casting. This has allowed us to correlate the evolution of microstructure and phases with different possible solidification pathways. Finally these are correlated with mechanical properties through studies on deformation using mechanical testing under indentation and compressive loads. It is shown that microstructure modification can significantly influence the plasticity of these alloys.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Electron Microscopy; Hardness Measurement; X-Ray Diffraction; Mechanical Characterization; Intermetallics; Casting
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Francis Jayakanth
Date Deposited: 29 Oct 2013 05:41
Last Modified: 29 Oct 2013 05:41
URI: http://eprints.iisc.ac.in/id/eprint/47471

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