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钛基微纳多级结构钽涂层的构建及其表面特征研究
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华南理工大学材料科学与工程学院,广东工业大学轻工化工学院应用化学系

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国家重点基础研究发展规划项目(2012CB619100),国家自然科学基金项目(51372087,51232002,51072057)


Construction and properties study of titanium-based Micro/Nano multi-level tantalum coating
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College of Materials Science and Technology, South China University of Technology, Guangdong Province 510641, China,(2. Faculty of Light and Chemical, Guangdong University of Technology

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    摘要:

    采用等离子喷涂技术在医用纯钛基体表面构建出微纳米多级结构钽涂层。利用SEM、EDS和XRD分析微纳米多结构钽涂层的形貌、化学组成和物相组成,并根据ASTM C633-79评价涂层与基底的结合强度;采用牛血清蛋白(BSA)对比研究了钛基钽涂层与医用纯钛对照样表面的蛋白吸附行为。结果表明,在喷涂距离为110 mm、喷涂功率为30 kW时制备的钛基钽涂层具有典型微纳米多级结构特征,且与基体结合强度好、Ta相对含量高;蛋白吸附实验表明钛基钽涂层表面蛋白吸附量均高于医用纯钛对照样,具有良好的蛋白吸附能力。

    Abstract:

    Micro/nano multi-level structure tantalum coating was prepared on medical titanium substrate surface using plasma spraying technique. The surface morphology, chemical composition and phase composition were analyzed by SEM, EDS and XRD, and the adhesion between substrate and coating was investigated by tensile method. The surface adsorption amount of protein of micro/nano multi-level tantalum coating and titanium substrate was compared by using BSA. The result showed that when the titanium-based tantalum coating was prepared under the spray distance was 110 mm and spray power was 30 kW, typical multi-level structural features can be seen, combined with good binding force and high Ta phase content; protein adsorption test showed that titanium-based tantalum coatings have good protein adsorption capacity, whose adsorption amount were higher than control samples.

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宁成云,谭帼馨.钛基微纳多级结构钽涂层的构建及其表面特征研究[J].稀有金属材料与工程,2016,45(8):2020~2025.[Ning Chengyun, Tan Guoxin. Construction and properties study of titanium-based Micro/Nano multi-level tantalum coating[J]. Rare Metal Materials and Engineering,2016,45(8):2020~2025.]
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  • 收稿日期:2014-06-25
  • 最后修改日期:2014-07-16
  • 录用日期:2014-08-12
  • 在线发布日期: 2016-10-09
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