Preparation process of spherical metal powder for 3D printing
Release time:
2023-01-04
Spherical metal powder is the core material of metal 3D printing and the most important link in the 3D printing industry chain, closely related to the development of 3D printing technology. At the 2013 World 3D Printing Technology Industry Conference, authoritative experts provided a clear definition of the performance requirements for 3D printing metal powders, which are metal powders with a size less than 1mm. In addition, the metal is required to meet requirements such as high purity, good sphericity, narrow particle size distribution, low oxygen content, and good fluidity. The ASTM F3049-14 standard issued in June 2014 specifies the range and characterization methods of 3D printed metal powder properties. At present, metal powder materials used for 3D printing are mainly concentrated in metals and their alloys such as iron, titanium, cobalt, copper, nickel, etc.
Spherical metal powder is the core material of metal 3D printing and the most important link in the 3D printing industry chain, closely related to the development of 3D printing technology. At the 2013 World 3D Printing Technology Industry Conference, authoritative experts provided a clear definition of the performance requirements for 3D printing metal powders, which are metal powders with a size less than 1mm. In addition, the metal is required to meet requirements such as high purity, good sphericity, narrow particle size distribution, low oxygen content, and good fluidity. The ASTM F3049-14 standard issued in June 2014 specifies the range and characterization methods of 3D printed metal powder properties. At present, metal powder materials used for 3D printing are mainly concentrated in metals and their alloys such as iron, titanium, cobalt, copper, nickel, etc.
With the rapid development of metal 3D printing technology, the market for spherical metal powders will maintain a high growth trend. The market size of 3D printed metal powder in 2016 was approximately $250 million, and according to IDTechEx, the market size of 3D printed metal powder will reach $5 billion by 2025. However, currently, the spherical metal powder used for 3D printing is mainly monopolized by foreign manufacturers, and the spherical powder produced domestically has problems such as unstable performance, high cost, and low yield. Therefore, studying the preparation of 3D printed metal powders is particularly important. This article elaborates on the basic principles of the main preparation processes for 3D printed metal powders and analyzes their advantages and disadvantages, with the aim of further improving the preparation technology level of 3D printed metal powders and promoting the development and application of 3D printing technology.
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