研究了添加0~20%Al2O3(质量分数,下同)的3Y-TZP/Al2O3复相陶瓷在300℃空气环境下退火处理的相变行为,并考察了复相陶瓷的抗弯强度、断裂韧性等力学性能退火处理前后的变化,对相变机理进行了分析.结果表明:Al2O3可以有效抑制退火处理过程中氧化锆t→m相变,当Al2O3含量为6%即有明显的抑制效果,而且具有较优的综合性能.
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