Rheological modeling of strontium ferrite feedstock for magnetic powder injection molding

Title
Rheological modeling of strontium ferrite feedstock for magnetic powder injection molding
Author(s)
정임두[정임두]김성훈[김성훈]박성진[박성진]김시조[김시조]강태곤[강태곤]박장민
Keywords
BEHAVIOR; FLOW
Issue Date
201408
Publisher
ELSEVIER SCIENCE BV
Citation
POWDER TECHNOLOGY, v.262, pp.198 - 202
Abstract
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.
URI
http://hdl.handle.net/YU.REPOSITORY/31130http://dx.doi.org/10.1016/j.powtec.2014.04.073
ISSN
0032-5910
Appears in Collections:
공과대학 > 기계공학부 > Articles
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