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Mechanical properties of B-modified Ti-6Al-4V alloys

Sen, Indrani (2010) Mechanical properties of B-modified Ti-6Al-4V alloys. In: 15th International Conference on the Strength of Materials (ICSMA 15), AUG 16-21, 2009 , Dresden, GERMANY.

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Official URL: http://iopscience.iop.org/1742-6596/240/1/012039/

Abstract

Minor addition of B to the Ti-6Al-4V alloy reduces the prior beta grain size by more than an order of magnitude. TiB formed in-situ in the process has been noted to decorate the grain boundaries. This microstructural modification influences the mechanical behavior of the Ti-6Al-4V alloy significantly. In this paper, an overview of our current research on tensile properties, fracture toughness as well as notched and un-notched fatigue properties of Ti-6Al-4V-xB with x varying between 0.0 to 0.55 wt.% is presented. A quantitative relationship between the microstructural length scales and the various mechanical properties have been developed. Moreover, the effect of the presence of hard and brittle TiB has also been studied.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to IOP Publishing ltd.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 25 Mar 2011 06:27
Last Modified: 25 Mar 2011 06:27
URI: http://eprints.iisc.ernet.in/id/eprint/36236

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