以Bi2O3为烧结助剂,利用液相烧结法制备8YSZ陶瓷材料,研究了烧结助剂对材料致密化、相组成、显微结构、力学性能及电学性能的影响.结果表明:烧结助剂的引入显著促进了材料的致密化、降低了烧结温度;引入烧结助剂Bi2O3后,使得ZrO2中的Y2O3含量减少,以致出现了含有单斜相氧化锆的第二相;而材料的致密化和单斜相氧化锆的出现,又使其具有良好的力学性能,同时对电学性能也有一定的影响.
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