细晶钛酸钡陶瓷的烧结方法

硅酸盐通报 , 2009, 28(1): 113-116.

1.河南工业大学材料科学与工程学院,郑州,450007

2.郑州大学橡塑模具国家工程研究中心,郑州,450002

基金项目: 河南工业大学博士科研基金(2007BS012)

The Sintering Approaches of Fine-grained BaTiO3 Ceramics

本文用两步法、两段法、高压成型常压烧结、高压烧结和掺杂烧结等特殊方法烧结得到了细晶钛酸钡陶瓷,它们的烧结温度低于常规烧结的温度.用扫描电子显微镜观测了陶瓷的显微结构.结果表明:用这些特殊方法烧结得到的陶瓷的晶粒尺寸远小于常规法烧结得到的钛酸钡陶瓷的尺寸.此外,对它们的烧结机理进行了简单的解释.

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