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首页> 外文期刊>Journal of coatings technology and research >Characterization of wollastonite coatings prepared by sol-gel on Ti substrate
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Characterization of wollastonite coatings prepared by sol-gel on Ti substrate

机译：钛表面溶胶凝胶法制备硅灰石涂层的表征

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摘要

Wollastonite coatings were prepared by sol-gel on Ti substrate and their microstructures have been studied. The phase compositions and the surface morphologies of these coatings were examined by X-ray diffraction and scanning electron microscopy. Thermal behavior of dried gel was examined by differential scanning calorimetry (DSC) and thermo-gravimetry (TG). There are many cracks among coatings and particles with size about 200-300 nm distributing inside cracks. DSC and TG results show that the glass transformation temperature of dried gel is about 850℃. After calcined at temperature 900℃, the phase of coatings consists of wollastonite, SiO_2, and CaSi_2O_5.
机译：通过溶胶-凝胶法在钛基体上制备硅灰石涂层，并对其微观结构进行了研究。通过X射线衍射和扫描电子显微镜检查这些涂层的相组成和表面形态。通过差示扫描量热法（DSC）和热重分析法（TG）检查干燥凝胶的热行为。涂层之间存在许多裂缝，尺寸约为200-300 nm的颗粒分布在裂缝内部。 DSC和TG的结果表明，干燥凝胶的玻璃化转变温度约为850℃。在900℃的温度下煅烧后，涂层相由硅灰石，SiO_2和CaSi_2O_5组成。

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  • 来源
    《Journal of coatings technology and research》 |2012年第2期|p.189-193|共5页
  • 作者

    Quanhe Bao; Kun Zhao; Jiakuo Liu;

  • 作者单位

    School of Materials Science and Engineering, Anhui Key Laboratory of Materials and Processing, Anhui University of Technology, Maanshan, Anhui 243002, P. R. China;

    School of Materials Science and Engineering, Anhui Key Laboratory of Materials and Processing, Anhui University of Technology, Maanshan, Anhui 243002, P. R. China;

    School of Materials Science and Engineering, Anhui Key Laboratory of Materials and Processing, Anhui University of Technology, Maanshan, Anhui 243002, P. R. China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    wollastonite; coatings; sol-gel; microstructure;

    机译：硅灰石;涂料;溶胶-凝胶;微观结构;

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