-95-第46卷第1期非金属矿Vol.46No.12023年1月Non-MetallicMinesJanuary,2023SiO2质量分数及烧成温度对陶瓷板性能的影响赵威1,2*李志鸿2徐登翔2裴帅1韩硕1(1商洛学院陕西省尾矿资源综合利用重点实验室,陕西商洛726000;2佛山市东鹏陶瓷发展有限公司,广东佛山528031)摘要以某陶瓷大板企业提供的9种矿物原料和石英砂为原料,根据其化学组成和K2O-Al2O3-SiO2三元系统相图设计4种SiO2含量不同陶瓷板原料配方。通过摩尔比例换算出每种原料中所含SiO2、Al2O3和K2O含量。研究配方SiO2含量及烧成温度对陶瓷板试样性能的影响,并结合X射线衍射与断口显微形貌进行分析。结果表明,陶瓷板中SiO2含量过高、过低均不利于陶瓷板烧结和性能提高。本试验原料配方中适宜SiO2含量为63.58%,在1130℃烧结性能最佳,试样抗折强度达75.69MPa,体积密度为2.48g/cm3,吸水率为0.13%。关键词陶瓷板;SiO2;烧成温度;性能中图分类号:TQ174.76文献标志码:A文章编号:1000-8098(2023)01-0095-04StudyontheInfluenceofSiO2ContentandSinteringTemperatureonthePropertiesofCeramicPlatesZhaoWei1,2*LiZhihong2XuDengxiang2PeiShuai1HanShuo1(1ShaanxiKeyLaboratoryofComprehensiveUtilizationofTailingsResources,ShangluoUniversity,Shangluo,Shaanxi726000;2GuangdongDongpengHoldingCompanyLimited,Foshan,Guangdong528031)AbstractNinekindsofmineralrawmaterialsprovidedbyaceramicplateenterpriseandquartzsandwereusedasrawmaterials.AndfourkindsofceramicplaterawmaterialswithdifferentSiO2contentsweredesignedaccordingtotheirchemicalcompositionandK2O-Al2O3-SiO2ternarysystemphasediagram.ThecontentsofSiO2,Al2O3andK2Oineachrawmaterialwerecalculatedbymolarratio.TheeffectsofSiO2contentandsinteringtem-peratureonthepropertiesofceramicplatesampleswerestudiedwithX-raydiffractionandfracturemorphology.TheresultsshowedthattoohighortoolowSiO2contentinceramicplatewasnotconducivetosinteringandperformanceimprovementofceramicplate.Inthisstudy,thepropercontentofSiO2inceramicplatewas63.58%,andtheperformancewasthebestsinteredat1130℃.Itsflexuralstrengthwas75.69MPa,bulkdensitywas2.48g/cm3,andwaterabsorptionwas0.13%.Keywordsceramicplate;SiO2;firingtemperature;property收稿日期:2022-12-08基金项目:陕西省重点研发计划...