Abstract:Oxidation resistance of TiAl3, one of the candidates of coating materials for high
temperature structural materials such as Ti3Al and TiAl, has been studied. Specimens were prepared
by forming TiAl3 in Al/Ti/Al reaction diffusion couples at 923 K and then TiAl3 layer was exposed
to air by dissolving Al plate in a 1N NaOH solution. The obtained TiAl3/Ti/TiAl3 couples were
annealed in air in the temperature range from 1173 K to 1468 K. The oxidation rate was compared
with that determined by using bulk TiAl3. The… Show more
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