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凝胶铸法制备牙科全瓷氧化铝及其性能
引用本文:刘人淼,司文捷,胡楠.凝胶铸法制备牙科全瓷氧化铝及其性能[J].稀有金属材料与工程,2009,38(Z2).
作者姓名:刘人淼  司文捷  胡楠
作者单位:清华大学新型陶瓷与精细工艺国家重点实验室,北京,100084
摘    要:研究了氧化铝粉浆的固相含量及预烧温度、氧化铝基底块体成形工艺对用于制作全瓷冠桥的计算机辅助设计/加工(CAD/CAM) &In-Ceram玻璃渗透氧化铝陶瓷复合体性能的影响.结果表明,采用凝胶铸成形的毛坯比等静压成形的强度要高,其中固相含量55%(体积分数)、预烧温度1350 ℃、凝胶铸成形组强度较高,达到553 MPa.

关 键 词:玻璃渗透氧化铝陶瓷  凝胶铸成形  抗弯强度

Preparation and Performance of Glass-Infiltrated Ceramics by Gel-Casting
Liu Renmiao,Si Wenjie,Hu Nan.Preparation and Performance of Glass-Infiltrated Ceramics by Gel-Casting[J].Rare Metal Materials and Engineering,2009,38(Z2).
Authors:Liu Renmiao  Si Wenjie  Hu Nan
Affiliation:Liu Renmiao,Si Wenjie,Hu Nan (State Key Laboratory of New Ceramics , Fine Processing,Tsinghua University,Beijing 100084,China)
Abstract:The fabrication process of glass infiltrated alumina ceramics (CAD/CAM&In-ceram alumina), such as solid loading, presintered temperature and forming method, was investigated. The result indicates that the bending strength of gel-casting samples is higher that that of CIP samples, and the 1350 ℃ pre-sintered gel-casting sample with 55 vol% solid loading has a bending strength as high as 553 MPa.
Keywords:CAD/CAM  CAD/CAM  glass infiltrated alumina ceramics  gel-casting  bending strength
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