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Metal powder preparation process inventory-atomization method metal coating powder


Vacuum cleaner air atomization (VIGA)

Vacuum cleaner air atomization describes the smelting of metal or steel alloys under vacuum problems. Under gas protection conditions, the steel fluid spurts (down) through the insulated crucible and diversion nozzle. It is atomized and burglarized pieces by the high-pressure air movement via the nozzle. A large number of tiny beads solidify into round or virtually spherical particles throughout trip to achieve the function of powder-making.

(Vacuum air atomization (VIGA))

Electrode Induction Gas Atomization (EIGA)

The electrode induction gas atomization powder-making process is to carry out local refining of upreared alloy rods under ideal vacuum cleaner problems and protective gas problems. The steel liquid continuously moves descending up and down through the nozzle, and the high-pressure airflow atomizes the steel liquid through the nozzle. It breaks into a great deal of tiny beads, and the droplets strengthen into particles throughout trip.

Plasma revolving electrode (PREP)

Plasma turning electrode powdering technology is currently among the important technologies for producing top quality round steel powders. The centrifugal force generated by the high-speed rotation of the electrodes throws out the fluid film to develop droplets, which are atomized and solidified into round powders in an inert environment.

Plasma wire atomization ()

Plasma cable atomization uses high-purity metal or alloy cord as basic material, which is sent out to a high-temperature location with plasma as the warm source with a cable straightener for melting. At the very same time, the liquified liquid is atomized by the gas to create little beads. After that, It spheroidizes under the action of surface area stress and cools down and solidifies into powder during the falling process.

(Plasma wire atomization (PA))

Plasma Spheroidization (PS)

Plasma spheroidization utilizes DC arc or superhigh frequency plasma as the warmth source to heat up the gas. The raw material powder is sent right into the high-temperature plasma area through the service provider gas powder feeding tool to soak up warmth and thaw. Under the activity of surface area tension, round droplets are created, and after that the liquid A technology in which drops are cooled down and solidified right into powder through a substantial temperature gradient.

Water atomization

The basic concept of water atomization is that after the raw metal materials are melted in the heating system, the thaw is poured into a tundish put on top of the atomization chamber. The melt circulations with the opening at the bottom of the tundish into the atomizer and is disintegrated into components by the high-pressure water jet. The molten droplets cool down and solidify during dropping and deposition to form a powder, and finally, the water-powder mixture is dried out, dried, and accumulated.

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