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Type: Artigo de periódico
Title: Correlations between aging heat treatment, omega phase precipitation and mechanical properties of a cast Ti-Nb alloy
Author: Cremasco, A
Andrade, PN
Contieri, RJ
Lopes, ESN
Afonso, CRM
Caram, R
Abstract: Ti-Nb alloys were arc melted in a water-cooled copper hearth in an inert atmosphere. After preparation, the samples were centrifugally cast in copper molds, and rapidly cooled, resulting in a martensitic microstructure. They were then aged at different temperatures. The microstructural characterization of this material suggested that martensite decomposition occurred, leading to precipitation of alpha, beta and omega phases. Aging at higher temperatures led to to phase decay. Mechanical characterization indicated that the heat treatment enhanced the strength and ductility of the alloys. Correlations between heat treatment, omega precipitation and mechanical behavior are discussed. (C) 2010 Elsevier Ltd. All rights reserved.
Country: Inglaterra
Editor: Elsevier Sci Ltd
Citation: Materials & Design. Elsevier Sci Ltd, v. 32, n. 4, n. 2387, n. 2390, 2011.
Rights: fechado
Identifier DOI: 10.1016/j.matdes.2010.11.012
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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