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首页> 外文会议>Asian Pacific Conference on Fracture and Strength;APCFS; 20061122-25;20061122-25; Sanya(CN);Sanya(CN) >Influence of Ceria on Characterization of Films Prepared by Vapor Deposition of Quasicrystal
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Influence of Ceria on Characterization of Films Prepared by Vapor Deposition of Quasicrystal

机译：二氧化铈对准晶体气相沉积制备薄膜特性的影响

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Films were prepared on the steel (Q235) by means of vacuum vapor deposition through Al_(65)Cu_(20)Fe_(15) quasicrystal powders. Influence of ceria on the microstructure and properties of films were studied. TEM, SEM and XRD were used to observe the microstructure and morphology of films. The hardness and the modulus of the film were tested by MTS. The results showed that the films were formed through directly vapor deposited by Al_(65)Cu_(20)Fe_(15) quasicrystal. The films were constituted of many phases such as CuAl_2, AlCu_3 and I (Al_(65)Cu_(20)Fe_(15)) phase. The composition of films was decided by the technology of deposition. After adding cerium, the microstructure of films did not radically change, however the hardness and modulus of films varied with the increase of cerium. When the cerium content was 5 wt%, the hardness of films was more than 9.0 GPa. Furthermore, adding cerium could improve obviously the corrosion resistance of films.
机译：通过真空气相沉积，通过Al_（65）Cu_（20）Fe_（15）准晶体粉末在钢（Q235）上制备薄膜。研究了二氧化铈对薄膜微观结构和性能的影响。用TEM，SEM和XRD观察薄膜的微观结构和形貌。膜的硬度和模量通过MTS测试。结果表明，通过Al_（65）Cu_（20）Fe_（15）准晶体直接气相沉积形成了薄膜。膜由许多相组成，例如CuAl_2，AlCu_3和I（Al_（65）Cu_（20）Fe_（15））相。膜的组成由沉积技术决定。加入铈后，薄膜的微观结构没有根本改变，但是薄膜的硬度和模量随铈的增加而变化。当铈含量为5wt％时，膜的硬度大于9.0GPa。此外，添加铈可以明显改善膜的耐腐蚀性。

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