Abstract
Wick debinding is described as _uid transport through a packed bed caused by the capillary pressure difference between the compact and the wick. A 2D model, based on Darcy’s law, is developed to simulate the process and to predict the debinding rate. Through this study that the debinding rate is faster by radial-type than that of 1D uniform for the small parts. Numerical results show that the total debinding time can be reduced as the contact surface area of the compact–wick combination increases. Binder removal is fast as debinding is performed at high temperature for the same compact–wick combination. By the similarity analysis, we can show that the curves of the debinding rate at various temperatures are similar. This provides a simple, practical prediction of total debinding time at various temperatures.
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