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Method of preparing material grains can be approximately split into two classes: bodily substance and technical method. Physical method is approximately technical smashing method and material burn atomization. The former one uses the technical grinding, vortex grinding, smashing and centrifugal venting smashed and different technologies.

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The next one is split into normal atomization and rapid solidification atomization method. The one using rapid solidification directly from the material burn atomized material powder in the powder metallurgy and materials science has attracted significantly attention. Dual atomization is the key way of today's commercial generation of material powder.

The high-pressure water atomization and high-pressure fuel atomization method using large force water and large force fuel while the atomizing media to break the constant thin supply of molten material,The growth of material powder technology Posts they are the most important method for the generation of material powder. The atomization device including the forming of water thin coating, the thin coating of broken material flow of cotton and material flow bond contraction of the three phases of the micro-droplets. High-pressure fuel atomization of 50-100¼michael length material powder, high-pressure water atomized powder compound measurement between 75-200¼michael; fuel atomized powder for smooth spherical cooling charge of approximately 102-103 ° D / s, water atomization powder often comes with an irregular shape and floor, the cooling charge of 102-104 / s. High-pressure fuel atomization and water atomization is generally used in large-tonnage generation of metal, tool metal, very alloys, bronze powder(FCu 663), iron, container and low-alloy powder.

The fast rotating cup method also known as the rotating water law. Squeeze to atomization technology
the rotating cup quenching moderate (which may be aqueous solutions, hydrocarbons, cryogenic liquids, etc.), material flow is broken under the force of the argon, fluid material, quench, under the centrifugal force through rapid quenching media to reach the turning and ultimately get the powder. Examination revealed that raising the pace of the rotating cup, decrease the fluid material nozzle measurement, and improve the superheat of the fluid material can be enhanced powder measurement; boost the fuel shot force may decrease the splashing of the fluid material on the surface of quenching moderate, and then increase powder recovery rate. The molten material first fuel atomization, centrifugal atomization and distress atomization, and then to the rotating cup quenching moderate, which is often eliminated crucible nozzle clogging and deterioration, but additionally improve the atomization efficiency.