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Temperature dependence of pressure sensitivity in a metallic glass

Prasad, Eswar K and Raghavan, R and Ramamurty, U (2007) Temperature dependence of pressure sensitivity in a metallic glass. In: Scripta Materialia, 57 (2). pp. 121-124.

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Abstract

The constraint factor, C, given by the hardness to the yield strength ratio and an indirect measure of the pressure sensitivity of plastic flow in amorphous alloys, of a Zr-based bulk metallic glass was measured as a function of temperature.Results show that, contrary to expectations, C increases linearly from \sim 3.2 to 3.5 within the 300–525 K range. Gradual transition in the shear band dominated deformation mechanism was suggested as a possible reason for the observed increase in C.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier.
Keywords: Metallic glasses;Hardness;High temperature deformation;Shear bands;Pressure sensitivity
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 08 Aug 2007
Last Modified: 19 Sep 2010 04:38
URI: http://eprints.iisc.ernet.in/id/eprint/11663

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