Journal
CORROSION SCIENCE
Volume 112, Issue -, Pages 338-346Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2016.07.032
Keywords
Alloy; Titanium; TEM; SEM; Oxidation; Decomposition
Funding
- NSF [1641143]
- Div Of Industrial Innovation & Partnersh
- Directorate For Engineering [1641143, 1624748] Funding Source: National Science Foundation
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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-6AI-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 degrees 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 alpha-Ti and leads to the formation of a distinctive and atypical microstructure with a distinct morphology. (C) 2016 The Authors. Published by Elsevier Ltd.
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