游杰刚,张国栋,高配亮,杨晓峰,陆兆鑫

• 1:辽宁科技大学高温材料与镁资源工程学院
• 2:营口青花集团

摘要(Abstract)：

以分析纯氧化锆和碳酸钙为原料,利用固相反应烧结制备锆酸钙。通过添加活性α-氧化铝,用X射线衍射、扫描电镜分析了氧化铝对锆酸钙材料相组成、晶胞参数、微观结构及致密度的影响。结果表明,利用碳酸钙和氧化锆在1600℃下保温1 h,制备出的锆酸钙材料致密度较低;氧化铝的加入导致锆酸钙相的晶胞参数和晶胞体积减小;Al3+的电场作用,减弱了锆酸钙中Ca-O的键力,导致锆酸钙材料中铝酸钙相增多。适量氧化铝促进锆酸钙的烧结,提高锆酸钙的致密度,确定氧化铝最佳加入摩尔百分含量为2%~3%。

关键词(KeyWords)： 锆酸钙;氧化铝;微观结构;性能

Abstract:

Keywords:

基金项目(Foundation): 辽宁省特种资源保护办公室项目(MZ201003);; 辽宁科技大学专项基金(2011zx04)

作者(Author): 游杰刚,张国栋,高配亮,杨晓峰,陆兆鑫

DOI: 10.13289/j.issn.1009-6264.2014.05.008

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