Yan Jun1, Wang Bin1, Cui Haiping2, et al. Preparation and Characteristics of Strawberry-like TiO2/Cu Composite Particles[J]. Special Casting & Nonferrous Alloys, 2008,(8):638-640.
Yan Jun1, Wang Bin1, Cui Haiping2, et al. Preparation and Characteristics of Strawberry-like TiO2/Cu Composite Particles[J]. Special Casting & Nonferrous Alloys, 2008,(8):638-640.DOI：
Strawberry-like TiO2/Cu composite particles were prepared by hydrolysis of Ti（OBu）4 in acidic-abundant aqueous solution and reflux in the presence of micron size Cu powders. The processing parameters were optimized based on orthogonal design. The characteristics of the TiO2/Cu composite particles were observed by FE-SEM （field emitting -scanning electron microscope）
XRD（X-ray diffraction）
XPS（X-rat probe spectrum）
TG-DTA. The prepared TiO2/Cu composite particles exhibit strawberry-like structure
in which TiO2 particle with about 100nm in size is covered on Cu powder by FE-SEM observation. XRD analysis shows that TiO2 particle exhibits amorphous phase. There exist Cu2+
Ti4+
Sn2+ on surface of composite particles by XPS analysis. The oxidized temperature of composite particles is increased by 200 ℃ compared with that of Cu powder
showing different oxidization process.
关键词
微米级铜粉TiO2抗氧化性能复合粒子
Keywords
Micron Cu PowderTiO2Oxidization ResistanceComposite Particles
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