3. Rotating electrode
3.1 Principle
It involves melting the end of a horizontally-axed metal bar that rotates at high speed (several thousand revolutions per minute). The metal droplets are ejected by centrifugal force and cooled along their path by a neutral gas in a large-diameter chamber (itself cooled by a water circuit). The diameter of this enclosure is large enough for the droplets to solidify before touching it. In the lower part of the chamber, a collector collects the powder.
SCROLL TO TOP3.2 Different processes
The development...
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Rotating electrode
Bibliography
Standards and norms
- Standard test method for apparent density of free-flowing metal powders using the hall flowmeter funnel – ASTM International - ASTM B 212 -
- Standard test methods for flow rate of metal powders using the hall flowmeter funnel – ASTM International - ASTM B 213 -
- Standard test method for sieve analysis of metal powders – ASTM International - ASTM B 214 -
- Standard practices for sampling metal powders...
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Manufacturers – Suppliers – Distributors (non-exhaustive list)
TIMET Metal Powder (supplier of PREP ® all-alloy powders) http://www.timet.com
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