Oxidation behavior and microstructural evolution of Ti-6Al-4V and Ti-6Al-4V-1B sheet

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2016-01-01
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Brice, D.
Samimi, P.
Ghamarian, Iman
Liu, Yue
Brice, R.
Reidy, R.
Cotton, J.
Kaufman, M.
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Collins, Peter
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Materials Science and Engineering

The Department of Materials Science and Engineering teaches the composition, microstructure, and processing of materials as well as their properties, uses, and performance. These fields of research utilize technologies in metals, ceramics, polymers, composites, and electronic materials.

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The Department of Materials Science and Engineering was formed in 1975 from the merger of the Department of Ceramics Engineering and the Department of Metallurgical Engineering.

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1975-present

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A direct comparison between the oxidation behavior of Ti-6Al-4V and Ti-6Al-4V + 1B has been conducted to elucidate whether the addition of boron to Ti-6Al-4V impacts the oxidation behavior. Industrially prepared sheet of Ti-6Al-4V and Ti-6Al-4V + 1B were oxidized at temperatures between 650 and 950 °C for holding times of 25 and 50 h. Weight-gain measurements and characterization of surface and near-surface microstructures showed that the addition of 1 wt% B increased the material’s oxidation resistance. Additionally, the ingress of oxygen tends to decrease the solubility of other alloying species in α-Ti and leads to the formation of a distinctive and atypical microstructure with a distinct morphology.

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This article is published as David A Brice, Peyman Samimi, Iman Ghamarian, Yue Liu, Randa M Franzen[CHC[1] , Richard F Reidy, James D Cotton, Michael J Kaufman, and Peter C Collins, “Oxidation behavior and microstructural evolution of Ti-6Al-4V and Ti-6Al-4V-1B sheet”, Corrosion Science. doi: 10.1016/j.corsci.2016.07.032. Posted with permission.

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Fri Jan 01 00:00:00 UTC 2016
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