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Oxidation Resistance Improvement of TiAl Intermetallics using Surface Modification

, and . Bulletin of the College of Engineering, N. T. U., (October 2003)

Abstract

TiAl intermetallics are one of the most promising structural alloys used at high temperature. However, the poor oxidation resistance at temperature above 750°C has ° hindered their practical engineering applications. In this γ paper, we review the oxidation behavior, kinetics and mechanism of TiAl alloys. The reported feasible surface modification methods to improve the high temperature oxidation resistance of TiAl alloys are also reviewed.

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