Metal powder preparation process inventory-atomization method metal alloy

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Vacuum air atomization (VIGA)

Vacuum cleaner air atomization describes the smelting of steel or steel alloys under vacuum problems. Under gas protection problems, the metal liquid spurts (down) through the protected crucible and diversion nozzle. It is atomized and broken into pieces by the high-pressure air movement via the nozzle. A a great deal of tiny beads strengthen right into spherical or nearly round fragments throughout flight to achieve the objective of powder-making.

Metal powder preparation process inventory-atomization method metal alloy插图

(Vacuum air atomization (VIGA))

Electrode Induction Gas Atomization (EIGA)

The electrode induction gas atomization powder-making process is to perform local refining of prefabricated alloy poles under proper vacuum cleaner problems and protective gas problems. The metal liquid constantly flows descending up and down via the nozzle, and the high-pressure air movement atomizes the steel fluid via the nozzle. It gets into a great deal of tiny beads, and the beads solidify into fragments throughout flight.

Plasma revolving electrode (PREP)

Plasma revolving electrode powdering modern technology is presently among the essential technologies for generating top notch spherical metal powders. The centrifugal force created by the high-speed rotation of the electrodes throws away the fluid movie to create droplets, which are atomized and solidified into spherical powders in an inert environment.

Plasma cord atomization (PA)

Plasma cable atomization utilizes high-purity metal or alloy wire as raw material, which is sent to a high-temperature area with plasma as the warm resource via a wire straightener for melting. At the same time, the liquified fluid is atomized by the gas to create small beads. Then, It spheroidizes under the activity of surface stress and cools and solidifies into powder during the dropping procedure.

Metal powder preparation process inventory-atomization method metal alloy插图1

(Plasma wire atomization (PA))

Plasma Spheroidization (PS)

Plasma spheroidization makes use of DC arc or superhigh frequency plasma as the heat resource to warm the gas. The raw product powder is sent right into the high-temperature plasma location with the service provider gas powder feeding gadget to absorb warmth and melt. Under the action of surface tension, spherical beads are developed, and after that the fluid A modern technology in which drops are cooled and strengthened right into powder via a huge temperature gradient.

Water atomization

The standard concept of water atomization is that after the raw steel products are melted in the heater, the melt is put right into a tundish positioned at the top of the atomization chamber. The thaw circulations via the opening at the bottom of the tundish right into the atomizer and is disintegrated right into parts by the high-pressure water jet. The liquified droplets cool down and strengthen throughout dropping and deposition to develop a powder, and ultimately, the water-powder combination is dried out, dried out, and collected.

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