The Main Preparation Methods of 3D Printing Metal Powder

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3D printing represents a new form of printing technology. 3D printing metal powder, the most important material for 3D-printing metal parts, is 3D printing. The main 3D powder materials currently available are nickel-titanium alloy powder Steel, stainless, industrial, steel, bronze, titanium, nickel-aluminum, and cobalt-chromium allision, etc.
3D printing of metal powder requires good plasticity.

Three types of preparation for 3D printing metal powder are available: reduction method, electrolysis, grinding method, and atomization method. The two most common pulverizing techniques in China today are the argon-atomization method or plasma rotating electrode.
1. Argon atomization
The argon atomization method uses the fast-flowing argon gases flow to impact the metallic liquid, then break it into small particles and finally condense into a solid powder.

2. Method using a plasma rotating electrode
Plasma state is also known as the fourth state. The process of plasma rotating electro atomization (prep) is simple: The metal or alloy is made into a consumable electrode. The end of the consumable electrode melts in coaxial plasma heating source to create liquid film. The liquid film is then thrown out at high speeds to form droplets. Under the action shear stress, the molten liquid droplet is broken down further and cools to become spherical powder.

The following are some of the benefits of plasma rotating electrode metal powder:

High sphericity with a smooth surface and high loose densities, which means that the uniformity of powder spread is excellent and printing products have a high density.

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