Production of Copper Metal Powder Using Gas Atomization Process
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Abstract
The production of additive manufactured parts requires metal powder particles that are perfectly spherical and of high quality. It is essential in the workpiece manufacturing process. Because roundness and shape affect the mobility of metal powder particles, this presents a significant challenge in the production of metal powders using the gas atomization process. To enhance production capabilities and ensure the quality of metal powders. This research aims to study the production of copper metal powder using the gas atomization process. The powder was produced experimentally using a gas atomizer, the parameters are the molten metal temperature (1,085 1,110 and 1,135 °C), the pouring hole (2, 3 and 4 mm), and nitrogen gas. Monitoring production quantities and measuring the roundness of metal powder particles. The results show the optimal conditions for producing copper powder with a particle size of ≤100 µm. This means the molten metal temperature is 1085°C, the diameter of the pouring hole is 4 mm, and the gas flow rate is 960 l/min. Which give a maximum of 540.7 g, or 54.07% of the metal used. In addition, when the temperature of the metal is higher than the melting point, the particle roundness tends to increase.
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