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Powder metal combustion spraying

Surface coating method where a powder is melted in a flammable gas mixture and thrown against the workpiece surface.

Beskrivning
Illustration of Powder metal combustion spraying

The process

A powder [1] is fed into the spray gun and mixed with a fuel gas [2] under pressure. The gas burns with the help of the oxygen supply [3] and reaches a temperature of about 3000 degrees Celsius causing the powder to melts. The molten powder is sprayed on and coats the workpiece.