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Published in: Metallurgical and Materials Transactions A 7/2013

01-07-2013 | Communication

Effect of Oxygen Partial Pressure on the Cyclic Oxidation Behavior of Mo76Si14B10

Authors: Barna Roy, Khushboo, Jayanta Das, Rahul Mitra, Sanat Kumar Roy

Published in: Metallurgical and Materials Transactions A | Issue 7/2013

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Abstract

Hot-pressed and arc-melted Mo76Si14B10 (at. pct) exhibits α-Mo solid solution, Mo3Si, and Mo5SiB2 in microstructures with varying morphologies. Cyclic oxidation tests performed at oxygen partial pressures of 0.21 and 1 atm show the mass loss of the hot-pressed alloy to be ≈1.5 and ≈4 times less, respectively, than that of the arc-melted alloy. The thickness of the protective silicate layer increases with an increase of both Moss grain size and oxygen partial pressure in the environment.

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Metadata
Title
Effect of Oxygen Partial Pressure on the Cyclic Oxidation Behavior of Mo76Si14B10
Authors
Barna Roy
Khushboo
Jayanta Das
Rahul Mitra
Sanat Kumar Roy
Publication date
01-07-2013
Publisher
Springer US
Published in
Metallurgical and Materials Transactions A / Issue 7/2013
Print ISSN: 1073-5623
Electronic ISSN: 1543-1940
DOI
https://doi.org/10.1007/s11661-013-1756-1

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