Fabrication of ultra-fine TiO2 ceramics by a high-frequency induction heated sintering method

被引：0
|
作者：
Kim, Hwan-Cheol [1 ]
Park, Hyun-Kuk [1 ]
Shon, In-Jin [1 ]
Ko, In-Yong [1 ]
机构：
[1] Chonbuk Natl Univ, Res Ctr Adv Mat Dev, Jeonju 560756, Jeonbuk, South Korea
来源：
JOURNAL OF CERAMIC PROCESSING RESEARCH | 2006年 / 7卷 / 04期
关键词：
rapid sintering; high-frequency induction heated sintering; TiO2; hardness; fracture toughness;
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
High-frequency induction heated sintering (HFIHS) is utilized to consolidate ultra-fine rutile TiO2 ceramics. Densification to near theoretical density in a relatively short time can be accomplished using this method. Samples of TiO2 with a relative density of up to 98% and an average grain size of about 160 nm could be obtained by sintering at 830 degrees C for 5 minutes under a pressure of 100 MPa. The influence of sintering temperature and mechanical pressure on the final density and grain size of the sintered products was investigated. The sintered materials had fracture toughness and hardness values of 12.8 GPa and 3.1 MPa center dot ml(1/2), respectively.
引用
收藏
页码：327 / 331
页数：5
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