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A mathematical model of force balance was developed to describe the fluidization characteristics and predict the high-temperature defluidization behavior of iron powders. The calculation was focused on the evolution of the forces acting on particles with temperature based on the surface viscosity and bubble motion. The parameters in the model were obtained by a statistical regression method. Comparing...
The high-temperature defluidization behavior of iron powder was investigated in different fluidizing gases (Ar, N 2 , CO, H 2 ), especially in terms of the physical and chemical properties and change of the gas and solid phase at high temperatures. The agglomeration tendency, represented by the temperature required to reach defluidization, decreased with increasing gas velocity. The...
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