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Metallurgical and Materials Transactions A
Published in: Metallurgical and Materials Transactions A 7/2011

01-07-2011 | Communication

A Study on Alpha-Case Depth in Ti-6Al-2Sn-4Zr-2Mo

Authors: Kevin S. McReynolds, Seshacharyulu Tamirisakandala

Published in: Metallurgical and Materials Transactions A | Issue 7/2011

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Abstract

Isothermal oxidation experiments in air were performed on Ti-6Al-2Sn-4Zr-2Mo (Ti-6242) with a bimodal microstructure in the temperature range 811 K to 922 K (538 °C to 649 °C) for up to 500 hours, and α-case depths were quantified using metallography. Alpha-case depth followed a parabolic variation with time. Alpha-case depths in excess of 10 μm formed above 811 K (538 °C) and 100-hour exposures. An activation energy of 244 kJ/mol was estimated for diffusion of oxygen in the α phase of Ti-6242.
previous article Diffusion and Growth of the μ Phase (Ni6Nb7) in the Ni-Nb System
next article The Effect of Iron Content on the Iron-Containing Intermetallic Phases in a Cast 6060 Aluminum Alloy

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Metadata
Title
A Study on Alpha-Case Depth in Ti-6Al-2Sn-4Zr-2Mo
Authors
Kevin S. McReynolds
Seshacharyulu Tamirisakandala
Publication date
01-07-2011
Publisher
Springer US
Published in
Metallurgical and Materials Transactions A / Issue 7/2011
Print ISSN: 1073-5623
Electronic ISSN: 1543-1940
DOI
https://doi.org/10.1007/s11661-011-0710-3

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