Micro injection molding of micro gear using nano-sized zirconia powder

被引：43
|
作者：
Yu, P. C. [1 ]
Li, Q. F. [1 ]
Fuh, J. Y. H. [2 ]
Li, T. [1 ]
Ho, P. W. [2 ]
机构：
[1] SIMTech, Singapore 638075, Singapore
[2] Natl Univ Singapore, Dept Mech Engn, Singapore 117576, Singapore
来源：
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS | 2009年 / 15卷 / 03期
关键词：
BINDER SYSTEM; MICROSTRUCTURE; TEMPERATURE; CERAMICS; BEHAVIOR; KINETICS; SOLVENT; PARTS; FINE;
D O I：
10.1007/s00542-008-0673-5
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Powder injection molding (PIM) is well established in macro molding. Scaling down to micro-PIM (mu PIM) opens a new arena for cost effective production of micro components. One potential application is the manufacture of cutting tools with sharp edges for machining. However, scaling down to such a level produces challenges in raw material preparation, injection molding and thermal treatment. In this report, near dense (> 98% of theoretical density) tensile bars and 3 mm micro gears were produced using 50 nm Yttria Tetragonal Zirconia Polycrystal (Y-TZP). The sintered gear teeth were well defined and visually defect free.
引用
收藏
页码：401 / 406
页数：6
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