不同烧结助剂对YAG多孔陶瓷性能影响研究  

Effect of Sintering Aids on Properties of YAG Porous Ceramics

作　　者：宋杰光 刘悦[1] 杨雪晴 江和平 朱亮亮 刘晶晶 钟璐 陈斐[3] SONG Jieguang;LIU Yue;YANG Xueqing;JIANG Heping;ZHU Liangliang;LIU Jingjing;ZHONG Lu;CHEN Fei(Sponge City Research Institute,Pingxiang University,Pingxiang 337055,Jiangxi,China;Jiangxi Hexin High-tech Development Co.,Ltd.,Pingxiang 337022,Jiangxi,China;State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,Wuhan University of Technology,Wuhan 430070,Hubei,China)

机构地区：[1]萍乡学院海绵城市研究院,江西萍乡337055 [2]江西和鑫高科发展有限公司,江西萍乡337022 [3]武汉理工大学材料复合新技术国家重点试验室,湖北武汉430070

出　　处：《陶瓷学报》2021年第1期77-83,共7页Journal of Ceramics

基　　金：国家自然科学基金(51202171);江西省教育厅科技重点项目(GJJ202701);江西省教育科学“十三五”规划项目(20YB259);萍乡市工业支撑项目(PXST2019-01);萍乡学院科技项目(2019D0-207)

摘　　要：钇铝石榴石(YAG)具有光学性能优良、高温性能好和化学性能稳定等优点,因此,其在陶瓷方面被广泛研究和应用。利用CaO、MgO和SiO_(2)等不同烧结助剂制备YAG多孔陶瓷,对YAG多孔陶瓷的制备工艺进行优化研究。研究结果表明,在CaO、MgO、SiO_(2)三种烧结助剂中,综合性能以MgO较为适合。以MgO作为烧结助剂,当MgO含量为8%时所制备的YAG多孔陶瓷性能较佳。综合考虑YAG多孔陶瓷的气孔率、线收缩率和抗压强度等因素,当复合烧结助剂中SiO_(2):MgO的比例为1:4时,所制备的YAG多孔陶瓷性能较佳,气孔率为52.98%,抗压强度为7.54 MPa。YAG has various advantages,such as excellent optical properties,good high temperature stability and high chemical stability.Therefore,it has been extensively explored for a wide range of applications.In this paper,different sintering aids,including CaO,MgO and SiO_(2),were used to prepare YAG porous ceramics.The preparation process of the YAG porous ceramics was optimized.Among the three sintering aids,MgO is the most suitable in terms of comprehensive performance of the YAG porous ceramics.The optimal concentration of MgO was 8%.With the comprehensive consideration of porosity,linear shrinkage and compressive strength,a mixed sintering aid with SiO_(2):MgO ratio of 1:4 led to samples with porosity of 52.98%and compressive strength of 7.54 MPa.

关 键 词：多孔陶瓷 YAG 烧结助剂 气孔率 抗压强度 

分 类 号：TQ174.75[化学工程—陶瓷工业]