Rheological modeling of strontium ferrite feedstock for magnetic powder injection molding

被引：14
|
作者：
Jung, Im Doo [1 ]
Kim, Sung Hun [1 ]
Park, Seong Jin [1 ]
Kim, See Jo [2 ]
Kang, Tae Gon [3 ]
Park, Jang Min [4 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Mech Engn, Pohang 790784, South Korea
[2] Andong Natl Univ, Dept Mech Design Engn, Andong Si 760749, Gyeongsangbuk D, South Korea
[3] Korea Aerosp Univ, Sch Aerosp & Mech Engn, Goyang Si 412791, Gyeonggi Do, South Korea
[4] Yeungnam Univ, Sch Mech Engn, Gyongsan 712749, South Korea
来源：
POWDER TECHNOLOGY | 2014年 / 262卷
基金：
新加坡国家研究基金会;
关键词：
Powder injection molding; Magnetic PIM; Rheological modeling; Shear viscosity; BEHAVIOR; FLOW;
D O I：
10.1016/j.powtec.2014.04.073
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Powder injection molding (PIM) is an important manufacturing technology for the net-shape production of metallic and ceramic components. PIM can also be a promising process for the mass production of magnetic parts. To mass produce magnetic components with complex shape and high performance through PIM, rheological behavior of the magnetic powder mixtures must be understood and characterized for various processing conditions. In the present study, we investigate the rheological behavior of strontium ferrite powder mixture affected by the shear rate, the temperatures, the external magnetic field, and the volume fraction of the powder. Several rheological models are employed to describe the shear viscosity of the mixture, which can be used for the design and optimization of the PIM process. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：198 / 202
页数：5
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