原料粒度对钛酸铝材料性能的影响  

THE EFFECT OF POWDER SIZE ON THE PROPERTY OF ALUMINIUM TITANATE

作　　者：郝俊杰[1] 

机构地区：[1]河北理工学院材料系,063009

出　　处：《中国陶瓷》1999年第4期8-10,共3页China Ceramics

摘　　要：本文研究了通过控制原料粒度，级配来改善钛酸铝材料的性能。结果表明合理的原料粒度，在适当的温度下烧成，生成的钛酸铝材料热膨胀系数低而体积密度和抗折强度有较大幅度提高。当原料粒度磨至１μｍ 时生成的钛酸铝材料抗折强度可达４３ ．３ Ｍ Ｐａ ，热膨胀系数只有－ ０ ．７０８ ×１０ － ６／ ℃。In this paper,the effect of powder size and grain distribution on the property of aluminium titanate was studied.The results showed that under suitable firing temperature and appropriate powder size,the bending strength and fired density of aluminium titanate was enhanced and it's thermal expand coefficient was very low.While the material was milled to 1μm the fracture strength of fired aluminium titanate could get 43.3MPa,and it's thermal expand coefficient was only -0.708×10 -6 /℃

关 键 词：钛酸铝 粒度 抗折强度 热膨胀系数 陶瓷 

分 类 号：TQ174.758[化学工程—陶瓷工业] TQ174.61[化学工程—硅酸盐工业]