Effect cf Nano-ZnO or Nano-Y_2O_3 on Sintering Property of Fused Quartz Ceramics  

作　　者：BU Jinglong CHEN Yuejun YU Lixue WANG Zhifa 

机构地区：[1]Hebei Province Key Laboratory of Inorganic Nonmetallic Materials,College of Materials Science and Engineering,Hebei United University

出　　处：《China's Refractories》2014年第1期24-26,共3页中国耐火材料（英文版）

基　　金：the financial support of National Natural Science Foundation of China ( 51072046)

摘　　要：Fused quartz ceramic was prepared using high purity fused quartz powder as starting material,separately introducing 1%,2% and 3% （in mass,the same hereinafter） nano-ZnO or nano-Y203 as additive,molding at 50 MPa,firing in reduction atmosphere at 1 300,1 350 and 1 400 ℃ for 1 h,respectively.Apparent porosity and cold modulus of rupture were tested and fracture morphology was analyzed by SEM.The results show that adding nano-ZnO or nano-Y2O3 obviously improves sintering of fused quartz; adding nano-ZnO enhances modulus of rupture and decreases apparent porosity; the optimum addition of nano-Y2O3 as sintering aid of fused quartz is 2%.Fused quartz ceramic was prepared using high purity fused quartz powder as starting material,separately introducing 1%,2% and 3% （in mass,the same hereinafter） nano-ZnO or nano-Y203 as additive,molding at 50 MPa,firing in reduction atmosphere at 1 300,1 350 and 1 400 ℃ for 1 h,respectively.Apparent porosity and cold modulus of rupture were tested and fracture morphology was analyzed by SEM.The results show that adding nano-ZnO or nano-Y2O3 obviously improves sintering of fused quartz; adding nano-ZnO enhances modulus of rupture and decreases apparent porosity; the optimum addition of nano-Y2O3 as sintering aid of fused quartz is 2%.

关 键 词：fused quartz sintering property nano-zinc oxide nano-yttria 

分 类 号：TQ174.1[化学工程—陶瓷工业]