Effect of Nb, Mo, V contents on oxidation resistance of Ti3Al based alloys
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In the present paper, the effect of the contents of Nb, Mo, V on the oxidation properties (700°C, in air) of Ti3Al based alloys has been studied. It has been shown that the alloys were oxidized rapidly as exposed at 700°C in the air. After 100 h exposure, oxygen-affected alloy surface layer of about 10 μ thickness has been formed on account of the poor protection of the oxide film. An addition of (11–13%)1 Nb enhanced the oxidation resistance. The addition of Mo and V in the Ti3Al−Nb system alloy reduced the oxidation resistance significantly.
Key wordsintermetallic compound oxidation resistance Ti3Al
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- 1.Kim, Young-Won and Froes, F.H.: Physical metallurgy of intermetallic compound, High Temperature Aluminides & Intermetallics, (S.H. Whang, C.T. Liu, D.P. Pope and I.O. Stiegler (eds.)), Warrendale, PA: TMS, pp. 465–492, 1990.Google Scholar
- 2.Froes, F.H.: Proc. of the International Workshop on Ordered Intermetallics, Hangzhou, P.R.C. (Sep. 28–Oct. 1, 1992).Google Scholar
- 3.Meier, G.H.: Fundamentals of the oxidation of high-temperature intermetallics, Oxidation of High Temperature Intermetallics (T. Grobstein and J. Doychak (eds.)), Warrendale, PA: TMS, pp. 1–16, 1988.Google Scholar
- 4.Chen, Y.S. and Rosa, C.J.: Oxidation of Metal, 14(2):147–165, 1980Google Scholar
- 5.Hauffe, K.: Oxidation of Metals, New York, NY: Plenum Press, pp. 217–225, 1965.Google Scholar
- 6.Kubascheweski, O. and Hopkins, B.E.: Oxidation of Metals and Alloys, London, Butterworths Press, pp. 219–222, 1962.Google Scholar