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Abstract—In metal injection molding, the debinding process is
one of the key steps. An improper debinding process will cause
the damage of the products. The present paper aims to simulate
the capillary debinding process by Navier-Stokes equations and
the level-set method. The influences of metal particle size and
spacing on the bridging phenomena between particles and the
irreducible saturation of resin are investigated. Results show
that a large particle spacing is preferred to lower down the
irreducible saturation of the resin. And a large irreducible
saturation will occur when the particle size is either too large or
too small.
Index Terms—Bridging phenomena, capillary debinding,
numerical simulation, metal injection molding.
Lih-Wu Hourng is with the Department of Mechanical Engineering,
National Central University, Chung-Li, Taoyuan, Taiwan 320 (e-mail:
lwhong@cc.ncu.edu.tw).
Yau-Si Lin was with the Department of Mechanical Engineering. Now He
is with the Chung-Din Engineering Consultant Company (e-mail:
linyosean@gmail.com).
[PDF]
Cite: Lih-Wu Hourng and Yau-Si Lin, "Numerical Simulation of Debinding Process in Metal
Injection Molding," International Journal of Modeling and Optimization vol. 4, no. 6, pp. 421-425, 2014.
