以CaF2、CaCO3为烧结助剂,采用热压烧结法制备了AlN-Mo复合材料.利用XRD和SEM分析了AlN-Mo复合陶瓷的相组成及其微观形貌,并讨论了烧结助剂和Mo含量对该材料热导率的影响.结果表明,CaF2和CaCO3烧结助剂的添加量在1%~3%(质量分数)范围内,AlN-Mo复合材料的热导率随着CaF2含量的增加而升高,随着CaCO3含量的增加先升高后降低.在烧结助制的种类和含量一定时,含20%(体积分数)Mo的AlN-Mo复合陶瓷的热导率高于含18%(体积分数)Mo的AlN-Mo复合陶瓷的热导率.
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