The invention relates to a zirconia toughened mullite ceramic material and preparation method, using zirconium silicate and alpha alumina as matrix, using modern toughening and strengthening technology, adding yttrium oxide, calcium oxide and titanium oxide as Magnesium Oxide, mineralizer, and mullite as seed. Modification of reinforcing and toughening, by isostatic pressing molding technology, the green body has the compactness and uniformity of the atmospheric pressure, high temperature shuttle kiln one-time sintering in sintering process, temperature uniformity and low cost, compared with the alumina ceramic material of the invention, it has high strength, high toughness, high wear resistance, simple production process, the firing temperature is greatly reduced, to achieve the purpose of energy saving.
【技术实现步骤摘要】
【技术保护点】
一种氧化锆增韧莫来石陶瓷材料及制备方法,它包括基体原料、矿化剂,其特征在于所述的基体原料为α相氧化铅和硅酸锆,所述的矿化剂为氧化钇、氧化镁、氧化钙和氧化钛,采用莫来石作为晶种,按以下原料的重量配比配料和步骤完成;所述的各原料的重量配 比为:a-Al↓[2]O↓[3]25-80%,ZrSiO↓[4]20-75%,Y↓[2]O↓[3]0-3%,MgO0-5%,CaO0-5%,TiO↓[2]0-3%;各组份百分含 量之和为100%计;另外加1-3%莫来石作晶种;其中:a-Al↓[2]O↓[3]为a相氧化铝,ZrSiO↓[4]为硅酸锆,Y↓[2]O↓[3]为氧化钇,MgO为氧化镁,CaO为氧化钙,TiO↓[2]为氧化钛;所述的各 步骤为:(1)、采用常规的湿法球磨,将上述重量配比的原料投入球磨机内,然后加水,再添加聚乙烯醇0.1-1%,料∶球∶水按1∶1.5∶0.5配比,球磨10-15小时得到浆料,其聚乙稀醇为 ...
【技术特征摘要】
【专利技术属性】
技术研发人员:潘俊明,李忠权,
申请(专利权)人:湖南泰鑫瓷业有限公司,
类型:发明
国别省市:43[中国|湖南]
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