钙铝硼硅玻璃/氧化铝复合材料性能研究  

Study on Properties of CaO-Al_2O_3-B_2O_3-SiO_2/Al_2O_3 Composites

作　　者：汪伟[1] 姜胜林[1] 高泮嵩 

机构地区：[1]华中科技大学光学与电子信息学院,湖北武汉430074 [2]广东风华邦科电子有限公司,广东肇庆526000

出　　处：《压电与声光》2013年第4期572-575,共4页Piezoelectrics & Acoustooptics

基　　金：武汉市科技计划基金资助项目(201210321103);科技型中小企业技术创新基金资助项目(12C26214405276;12C26114405436)

摘　　要：通过高温熔融法制备的CaO-Al2O3-B2O3-SiO2玻璃粉末与α-Al2O3粉末按照质量分数50∶50混合,烧结制备了钙铝硼硅玻璃/氧化铝系低温共烧陶瓷材料,研究了烧结温度对复合材料的物相组成、微观结构、力学性能及介电性能的影响。结果表明,875℃烧结制备的复合材料性能最佳,抗弯强度为164MPa,介电常数为7.8,介电损耗为0.001 3,热膨胀系数为5.7×10-6/℃,具有良好的综合性能,可用作低温共烧陶瓷基板材料。CaO-Al2O3-B2O3-SiO2 /Al2O3 system LTCC material was synthesized by using the mixtrue of CaO-Al2O3-B2O3-SiO2 glass powder prepared through high temperature melting method and α-Al2O3 powder with the mass percentage ratio of 50∶50.The effects of sintering temperature on the phase composition,microstructure,mechanical properties and dielectric properties of prepared LTCC materials were investigated.The results show that the LTCC material sintered at 875 ℃ has an optimal performance in comparison to other samples,its flexural strength is 164 MPa,dielectric constant is 7.8,dielectric loss of 0.001 3,thermal expand coefficient is 5.7×10-6/℃.The prepared LTCC materials can be used as substrate materials.

关 键 词：低温共烧陶瓷 钙铝硼硅玻璃 氧化铝 抗弯强度 介电性能 

分 类 号：TQ174[化学工程—陶瓷工业]