| Oxidation protection of NiCoCrAlY coatings on γ-TiAl |
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| 作者姓名： | 王启民 郭明虎 柯培玲 宫骏 孙超 闻立时 |
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| 作者单位： | Division of Surface Engineering of Materials，Institute of Metal Research，Chinese Academy of Sciences，Shenyang 110016，China，Division of Surface Engineering of Materials，Institute of Metal Research，Chinese Academy of Sciences，Shenyang 110016，China，Division of Surface Engineering of Materials，Institute of Metal Research，Chinese Academy of Sciences，Shenyang 110016，China，Division of Surface Engineering of Materials，Institute of Metal Research，Chinese Academy of Sciences，Shenyang 110016，China，Division of Surface Engineering of Materials，Institute of Metal Research，Chinese Academy of Sciences，Shenyang 110016，China，Division of Surface Engineering of Materials，Institute of Metal Research，Chinese Academy of Sciences，Shenyang 110016，China |
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| 基金项目： | Project(KGCX2 212 02) supported by the Directional Items of Chinese Academy of Sciences |
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| 摘 要： | 1 INTRODUCTIONTiAl intermetallic alloy, based on theγ TiAl,is expected to be one of the candidates for hightemperature systems such as aircraft engine be cause of its high modulus of elasticity, low densityand good creep resistance at high temperature[1, 2].However, there are two major drawbacks withγ TiAl alloy as an engineering material: one is itspoor room temperature ductility and the other isthe poor oxidation resistance above 800 ℃[3]. Alarge am…
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| 关 键 词： | γ-TiAl NiCoCrAlY high temperature oxidation diffusion barrier |
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