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EFFECT OF MICROSTRUCTURES ON CYCLIC-OXIDATION BEHAVIOUR OF TiAl ALLOY 被引量:1

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摘要 EFFECTOFMICROSTRUCTURESONCYCLIC-OXIDATIONBEHAVIOUROFTiAlALLOYZhouKechao;HuangBaiyun;QuXuanhui;HeYuehui;KongGaoning(PowderMeta... The influence of microstructures on the cyclic oxidation behaviour of Ti-33Al-3Cr-0.5 Mo(%) alloy was investigated. It was clarified that the oxidation behaviour of the alloy with near-gamma, duplex and fully-lamellar microstructure are very similiar in air at 1173 K and their mass gain is much lower than that of the alloy with nearly-lamellar microstructure. The reason for the difference in oxidation behaviours was attributed to the morphologies of Al2O3 layer in the oxide scale.
出处 《中国有色金属学会会刊:英文版》 CSCD 1996年第2期91-94,共4页 Transactions of Nonferrous Metals Society of China
基金 Supported by the National Natural Science Foundation of China
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