Here we show a short video loop of ultrasonic atomization applied to a molten metal alloy, for producing different metal powders. (The complete video is available on our ftp server – details).
Much more about liquid metals atomizing can be found here: http://www.mastersonics.com/documents/mmm_applications/mmm_atomizing/
The process is similar to atomization of other liquids except for the high temperatures involved. The main challenges (regarding atomizing different metal alloys) were to identify a sonotrode material suitable for direct contact with the molten alloy and to keep the transducer cool by internal water cooling. The results speak for themselves!
Solder-alloys atomizing presentation is here: mpi-solderpowder-presentation.pdf
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