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The paper describes the fabrication of micro gears of diameter and height 1 mm by micro powder injection moulding. 316L stainless steel powder of 2.4 µm (d 50 ) is mixed with a multi-component wax-based binder system. The feedstock is then injection-moulded into micro gears followed by debinding and sintering. The microstructure of the micro gear at its tooth and hub is studied by electron...
A new computer simulation method is presented in this paper for random packing of particles with variable sizes in the 3-D space. This method consists of two steps of simulation: kinematics and dynamics simulations. The kinematics simulation uses a 3-D cellular registration system for efficient particle deposition. The dynamics simulation models further packing of the matrix of particles using the...
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