Study on gelcasting and properties of recrystallized silicon carbide

被引:69
作者
Yi, ZZ
Xie, ZP [1 ]
Huang, Y
Ma, JT
Cheng, YB
机构
[1] Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
[2] Mengzi Teachers Coll, Dept Chem, Yunnan 661100, Peoples R China
[3] Monash Univ, Sch Phys & Mat Engn, Clayton, Vic 3800, Australia
基金
中国国家自然科学基金;
关键词
microstructure; gelcasting; recrystallized silicon carbide; rheological property;
D O I
10.1016/S0272-8842(01)00104-3
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
Gelcasting of recrystallized silicon carbide (RSiC) was described in this paper. The Zeta potentials of recrystallized silicon carbide powders dispersing in aqueous solution and the theological property of the suspension were investigated. A concentrated suspension of solid loading as high as 75 vol.% for gelcasting was prepared successfully. At the same time the complex green bodies with uniformity of density and high flexural strength were fabricated by gelcasting through this kind of suspension. The performance and microstructure of green bodies and sintered samples was measured and observed. Recrystallized silicon carbide parts were prepared by gelcasting. (C) 2002 Elsevier Science Ltd and Techna S.r.l. All rights reserved.
引用
收藏
页码:369 / 376
页数:8
相关论文
共 17 条
[1]  
CAHN W, 1996, MAT SCI TECHNOLOGY A, V17, P161
[2]  
Collyer A., 1988, RHEOLOGICAL MEASUREM
[3]  
Hackley VA, 1997, J AM CERAM SOC, V80, P1781, DOI 10.1111/j.1151-2916.1997.tb03052.x
[4]   Development of low-toxicity gelcasting systems [J].
Janney, MA ;
Omatete, OO ;
Walls, CA ;
Nunn, SD ;
Ogle, RJ ;
Westmoreland, G .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1998, 81 (03) :581-591
[5]  
Jenny M A, 1992, U.S. Patent, Patent No. [5,145,908, 5145908]
[6]   MICROSTRUCTURAL DEVELOPMENT AND MECHANICAL-PROPERTIES OF PRESSURELESS-SINTERED SIC WITH PLATE-LIKE GRAINS USING AL2O3-Y2O3 ADDITIVES [J].
LEE, SK ;
KIM, YC ;
KIM, CH .
JOURNAL OF MATERIALS SCIENCE, 1994, 29 (20) :5321-5326
[7]   ORGANIC SILANES AND TITANATES AS PROCESSING ADDITIVES FOR INJECTION-MOLDING OF CERAMICS [J].
LINDQVIST, K ;
CARLSTROM, E ;
PERSSON, M ;
CARLSSON, R .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1989, 72 (01) :99-103
[8]  
MARIA JP, 1995, CERAMIC ENG SCI P, V16, P1072
[9]  
OMATETE OO, 1991, AM CERAM SOC BULL, V70, P1641
[10]   Prediction of strength of recrystallized siliconcarbide from pore size measurement - Part I - The bimodality of the distribution [J].
Orlovskaja, N ;
Peterlik, H ;
Steinkellner, W ;
Kromp, K .
JOURNAL OF MATERIALS SCIENCE, 2000, 35 (03) :699-705