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Study of texture evolution in metastable beta-Ti alloy as a function of strain path and its effect on alpha transformation texture

Gurao, Nilesh P and Ashkar, Ali A and Suwas, Satyam (2009) Study of texture evolution in metastable beta-Ti alloy as a function of strain path and its effect on alpha transformation texture. In: Materials Science and Engineering: A, 504 (1-2). pp. 24-35.

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Abstract

Texture evolution in a low cost beta titanium alloy was studied for different modes of rolling and heat treatments. The alloy was cold rolled by unidirectional and multi-step cross rolling. The cold rolled material was either aged directly or recrystallized and then aged. The evolution of texture in alpha and beta phases were studied. The rolling texture of beta phase that is characterized by the gamma fiber is stronger for MSCR than UDR; while the trend is reversed on recrystallization. The mode of rolling affects alpha transformation texture on aging with smaller alpha lath size and stronger alpha texture in UDR than in MSCR. The defect structure in beta phase influences the evolution of a texture on aging. A stronger defect structure in beta phase leads to variant selection with the rolled samples showing fewer variants than the recrystallized samples.

Item Type: Journal Article
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Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Texture;Beta titanium alloys;Mode of rolling;Transformation texture;Recrystallization texture
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 16 Nov 2009 09:53
Last Modified: 19 Sep 2010 05:29
URI: http://eprints.iisc.ernet.in/id/eprint/19671

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