Cu颗粒包覆纳米SiC粉体的相分散性能分析  

Analysis on the Phase Distribution of Nano SiC Particles Coated with Cu

作　　者：张锐[1] 高濂[1] 虞玲[1] 郭景坤[1] 

机构地区：[1]中国科学院上海硅酸盐研究所国家重点实验室

出　　处：《无机材料学报》2002年第5期1059-1062,共4页Journal of Inorganic Materials

摘　　要：选用工业生产的纳米SiC粉料;利用歧化反应原理,分解出Cu颗粒,并与纳米SiC颗粒组成分散均匀的复合粉体;SEM和Auger电子探针形貌显示复合粉体颗粒呈球形;EDS、AES等检测结果表明,金属Cu颗粒包覆在纳米SiC颗料表面,从而使两相在纳米尺度范围内保持理想的均匀分散状态.Nano Sic particles in diameter of about 100nm were commercially available, Cu particles were precipitated during the disproportionation. reaction process. The morphology of the mixed powders containing the nano Sic and Cu particles were observed by SEM or Auger microprobe, in which the spherical particles dominated. EDS and AES were carried out to determine the element distribution in the local area and spot across a single particle. The coating process of Cu on the surface of the nano Sic particles ensures the homogeneous phase-distribution between the two different phases.

关 键 词：Cu颗粒 包覆 纳米SIC粉体 相分散性能 歧化反应 碳化硅 纳米陶瓷 复合材料 铜 金属陶瓷 

分 类 号：TQ174.758[化学工程—陶瓷工业] TB333[化学工程—硅酸盐工业]