材料科学
镍
钛酸酯
溶胶凝胶
氧化镍
钛
氧化钛
化学工程
钛镍合金
表征(材料科学)
椭圆偏振法
冶金
薄膜
纳米技术
陶瓷
形状记忆合金
工程类
作者
Douglas Taylor,Patrick F. Fleig,R. A. Page
标识
DOI:10.1016/s0040-6090(02)00143-8
摘要
Previous studies indicated that oxides of titanium and nickel might be effective solid lubricants. In the current work, we synthesized a range of titanium and nickel oxides including nickel titanate (NiTiO3) via wet-chemical processing. Coatings and powders made from the sol–gel-derived precursor solutions were characterized by X-ray diffraction, ellipsometry, and pin-on-disk tests. Nickel titanate monoliths were also made by traditional powder processing and characterized by X-ray diffraction, ellipsometry, dilatometry and micro-hardness measurements. These data assisted the characterization of the sol–gel-derived materials. Nickel titanate proved to be a stable oxide at elevated temperatures and exhibited lubricity under certain conditions.
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