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Influence of yttria additions on the oxidation behaviour of titanium prepared by powder metallurgy

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URI: http://hdl.handle.net/10016/19716
ISSN: 1359-6462
DOI: 10.1016/j.scriptamat.2009.02.040
UXXI: AR/0000006538
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influence_SM_2009_ps.pdf (582.36 KB)
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2009-06
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Elsevier
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The yttria dispersion effect on the oxidation resistance of titanium prepared by powder metallurgy has been evaluated between 700 and 900º C. Yttria additions slightly increase the oxidation rate up to 800ºC and decrease it considerably at 900º C. The multilayered rutile scale formed on pure titanium prepared by conventional techniques is replaced by a denser rutile scale in the case of Titanium prepared by powder metallurgy. Yttria additions raise the temperature at which a more protective dense rutile scale is formed
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Powder processing, Yttria addition, Metals and alloys-titanium, Oxidation
Bibliographic citation
Scripta Materialia. Volume 60, Issue 11 (June 2009), pp. 1008–1011
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