ZrO_2含量对工业搪瓷瓷层化学稳定性及结构的影响  

Effect of ZrO_2 Content on Chemical Stability and Structure of Industrial Enamel

作　　者：唐旋 马倩 王俊 罗理达[1] 汪庆卫[1] 蒋伟忠[1] 高长龙 张兆明 TANG Xuan;MA Qian;WANG Jun;LUO Li-da;WANG Qing-wei;JIANG Wei-zhong;GAO Chang-long;ZHANG Zhao-ming(Engineering Research Center of Advanced Glass Manufacturing Technology,Ministry of Education,Donghua University,Shanghai 201620,China;Shandong Zhongqi Environmental Equipment Manufacturing Co.,Ltd.,Jinan 250400,China)

机构地区：[1]东华大学先进玻璃制造技术教育部工程研究中心,上海201620 [2]山东中琦环保设备制造有限公司,济南250400

出　　处：《硅酸盐通报》2018年第9期2979-2984,共6页Bulletin of the Chinese Ceramic Society

基　　金：中国科技部科研院所资助项目(11009G2014)

摘　　要：在耐候钢材表面预置含有不同氧化锆(ZrO_2)含量的搪瓷釉料,经烧结制备搪瓷涂层。采用扫描电子显微镜、光学轮廓仪、固体密度仪、同步热分析仪以及X射线衍射仪研究了不同ZrO_2含量对瓷层的组织结构及耐酸性能的影响。实验结果发现:当ZrO_2质量分数小于1.0%时,结构更加致密完整,其体积密度、氧原子堆积密度以及耐酸性均随着ZrO_2含量的增加而上升;当ZrO_2掺杂量超过1.0%后,瓷层表面缺陷增多,结构稳定性以及耐酸性能均随着ZrO_2含量的增加而下降;当ZrO_2掺杂量为1.0%时,瓷层耐酸性能最优,酸腐蚀量低至4.72 g/m2。适量掺杂ZrO_2能够有效增强瓷层网络结构,改善致密性,提高化学稳定性。Enamel coatings were fabricated on the weathering steel surface by sintering method using enamel with different zirconia(ZrO 2)content.Effect of ZrO 2 content on the microstructure and acid resistance of enamel coating was studied by using scanning electron microscopes,optical profilometers,solid densitometers,simultaneous thermal analyzers,and X-ray diffractometers.The results reveal that quality score of ZrO 2 less than 1.0%increases significantly the structural stability,volume density,oxygen atomic packing density and acid resistence with the increasing of ZrO 2 content.As the quality score of ZrO 2 is more than 1.0%,the surface defects increased,the structural stability and acid resistence became bad with the increasing of ZrO 2 content.The better properties and dense microstructure are obtained in the enamel coating doped with 1.0%ZrO 2 which shows the maximum acid resistence(4.72 g/m 2).The proper ZrO 2 addition can improve the network structure and denseness,thus significantly improving acid resistence of the enamel coating.

关 键 词：氧化锆 瓷层 化学稳定性 

分 类 号：TQ173[化学工程—搪瓷工业]