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The effect of yttrium on the oxidation resistance of as-cast Ti2AlNb based alloy was studied.With the addition of Y,the oxidation resistance of the experimental alloys was improved at 700-850 ℃.The improvement of the oxidation resistance was attributed to the refinement of the oxide scale and the appearance of transition layer.
The effect of yttrium on the oxidation resistance of as-cast Ti2AlNb based alloy was studied. Due the addition of Y, the oxidation resistance of the experimental alloys was improved at 700-850 ° C. The improvement of the oxidation resistance was attributed to the refinement of the oxide scale and the appearance of transition layer.