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On the resolidification behavior of microsecond pulsed-laser-melted pool of bismuth

Swamy, VT and Ranganathan, S and Chattopadhyay, K (1989) On the resolidification behavior of microsecond pulsed-laser-melted pool of bismuth. In: Journal of Crystal Growth, 96 (3). pp. 628-636.

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Abstract

The resolidification behaviour of the microsecond pulsed-laser-melted pool of pure bismuth as a function of grain size was studied using polarized light microscopy and X-ray diffraction. For single crystals and bicrystals, epitaxial regrowth is the dominant mechanism. For a mixed grain size, regrowth of larger grains dominates the microstructure and can result in the development of texture. Small grain sizes tend to inhibit the epitaxial growth at low-power density level. Formation of microtwins is predominant in the regrown regions when they are surrounded by fine grains.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 20 Feb 2008
Last Modified: 19 Sep 2010 04:42
URI: http://eprints.iisc.ernet.in/id/eprint/12897

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