Effect of particle size of powders on the micro metal injection molding process

被引：0
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作者：
Department of Mechanical Engineering, Faculty of Engineering, Kyushu University, 744 Motooka, Nisi-ku, Fukuoka 819-0395, Japan [1 ]
机构：
来源：
Funtai Oyobi Fummatsu Yakin | 2009年 / 5卷 / 264-267期
关键词：
Feedstocks - MIM devices - Sintering - Tensile strength - Particle size - Injection molding - Metals - Powder metals - Density (specific gravity) - Metal molding - Powder metallurgy;
D O I：
10.2497/jjspm.56.264
中图分类号：
学科分类号：
摘要：
Producing micro size parts by metal injection molding (μ-MIM) needs more sophisticated technique than conventional MIM. Especially, to fill the micro groove cavities which size are smaller than 10m with feedstock by μ-MIM technique, much smaller particle size of powders than that of conventional MIM are required. Also, various properties such as powder loading and viscosity of feedstock, debinding behavior of compacts, relative density and mechanical properties of sintered compacts would be changed by using fine powders. In this study, the effects of particle size of powders on the properties of stainless steel (SUS316L) compacts were investigated for μ-MIM processing. The sintered compacts using fine powder which mean particle size is 3m showed high density and tensile strength.
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