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Stabilization of water suspensions of metal powders

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Sedimentation stability of water suspensions of dispersed metal powders with water-soluble high-molecular compounds (HMC) added is investigated by a method of analyzing the kinetics of their sedimentation. When stabilizing by polyvinyl alcohol (PVA) the concentration regions of sedimentation stability for the suspensions are determined. The stabilization is explained according to the model of formation of coagulation HMC layers on metal particles. The dependence of the coagulation layer thickness on the concentration of PVA in the solution is estimated.

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Republican Engineering-and-Technical Center of Powder Metallurgy, Perm'. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 64, No. 5, pp. 583–587, May, 1993.

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Antsiferov, V.N., Khramtsov, V.D. Stabilization of water suspensions of metal powders. J Eng Phys Thermophys 64, 475–478 (1993). https://doi.org/10.1007/BF00862638

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  • Alcohol
  • Statistical Physic
  • Sedimentation
  • Layer Thickness
  • Metal Particle