溶胶-凝胶法在氧化铝板晶和微粉表面包裹玻璃涂层

硅酸盐通报 , 2003, 22(6): 79-87. doi: 10.3969/j.issn.1001-1625.2003.06.020

溶胶-凝胶法在氧化铝板晶和微粉表面包裹玻璃涂层

周振君 ^1, , 杨正方 ^2, , 袁启明 ^3, , 李秀华 ^4,

1.天津大学高温结构陶瓷及工程陶瓷加工技术教育部重点实验室,天津,300072

2.天津大学高温结构陶瓷及工程陶瓷加工技术教育部重点实验室,天津,300072

3.天津大学高温结构陶瓷及工程陶瓷加工技术教育部重点实验室,天津,300072

4.天津大学高温结构陶瓷及工程陶瓷加工技术教育部重点实验室,天津,300072

关键词：溶胶-凝胶法 , 氧化铝板晶 , 氧化铝粉末 , 玻璃涂层

Preparation of Glass-Coated α-Alumina Platelet and Powder by Sol-Gel Method

以硅酸乙酯和硝酸钙为原料,制备了CaO-SiO2溶胶.采用液相包裹技术在氧化铝板晶和粉末表面上包裹了一层CaO-SiO2玻璃.用DTA/TGA研究了凝胶热分解过程.用SEM观察表明,玻璃涂层在氧化铝板晶或氧化铝微粉团聚体表面上的分布是均匀的.

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溶胶-凝胶法在氧化铝板晶和微粉表面包裹玻璃涂层

Preparation of Glass-Coated α-Alumina Platelet and Powder by Sol-Gel Method

参考文献