影响铜—石墨材料密度的工艺因素  

Influence Factors of Density for Cu C Material

作　　者：孙杏囡[1] 谈萍[1] 崔永福[1] 

机构地区：[1]西北有色金属研究院,西安710016

出　　处：《材料工程》1999年第9期43-45,共3页Journal of Materials Engineering

摘　　要：研究了影响铜—石墨材料密度的工艺因素。研究结果表明， 石墨粉的形状和粒度对材料密度的影响不可忽略， 细粒度的天然鳞片状石墨粉有利于提高压坯密度。复压工艺对提高材料最终密度效果显著。烧结温度和初压压力对密度的影响不是主要的。对试样进行性能测试的结果说明， 密度高的试样，The influence factors of density for Cu C material were investigated in this paper The results show that the effect of partical size and shape on the density can not be ignored, the density would be improved if the shape of graphite is scale like The effect of re pressing on the last density is significant, otherwise the sintering temperature and the first pressing strength is not dominant factor The properties of high density compact are more perfect than those of low density compact

关 键 词：铜-石墨材料 鳞片状粉末 密度 工艺 密封材料 

分 类 号：TB42[一般工业技术]