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5. Arc wire projection
Here again, plasma is used, but in this process two wires are continuously advanced (ductile material wires) which serve as consumable electrodes for the arc (figure
15
).
. The direct-current arc melts the end of the wires. A high-velocity gas (usually air) blows the molten metal to the tip in the form of filaments transformed into droplets by the turbulent flow (figure
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Arc wire projection
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Plasma: International symposium on plasma chemistry, held every two years. It brings together some 1,000 researchers and industrialists. The last one took place in Kyoto in August 2007.
Thermal spray: international thermal spray conference, held annually. Brings together 1,500 researchers and industrialists with an exhibition of equipment (50 to 80 industrial companies). The last one was...
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