Abstract
Production of metal powder has been done for decades. Apart from some methods using crushers for powder production, the atomization of a molten liquid melt is the most common way to produce metal powders. Therefore different melting technologies (open furnace, vacuum furnace, induction melting or plasma melting, and more) as well as atomization techniques (water, gas) can be used. Depending on the melting and atomization technology used, the produced powder can differ in specific size and shape. This article provides an overview of the most used technologies in melting and atomization with a special focus on the production of powder for the use in additive manufacturing. A more detailed insight in the gas atomization process using closed couple atomization system is also part of this article.
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