碳包纳米3Y-TZP陶瓷粉体的研究  

Study on Nano-3Y-TZP Ceramics Powders Coated by Carbon

作　　者：杨晓敏[1] 

机构地区：[1]中北大学材料科学与工程学院,山西太原030051

出　　处：《新技术新工艺》2010年第3期74-76,共3页New Technology & New Process

基　　金：中北大学校青年基金资助项目

摘　　要：采用CVD法制备碳包纳米3Y-TZP粉体,并经1200℃低温烧结获得3Y-TZP陶瓷体。分别通过XRD、HRTEM、SEM对碳包裹氧化锆粉体和烧成样品进行表征。结果表明,经过表面包碳修饰,获得了具有较好晶型结构,颗粒尺寸细小的碳包3Y-TZP粉体;与未包碳的试样相比,碳包裹层的存在有效抑制了烧结过程中氧化锆晶粒的长大。In this paper, the 3Y-TZP powders coated by carbon were obtained by CVD method, and the 3Y-TZP ceramic was sintered at 1200℃. And then the 3Y-TZP powders coated by carbon and the sintered samples were researched by XRD, HRTEM and SEM techniques. The results show that the carbon-coated 3Y--TZP powders with better crystalline phase structure and finer grain size were obtained. And carbon suppresses the grain growth effectively compared to carbonuncoated 3Y-TZP.

关 键 词：3Y—TZP 纳米陶瓷 显微结构 包裹 

分 类 号：TB321[一般工业技术—材料科学与工程]