Method of flame-spraying of powdered materials and flame-spraying apparatus for carrying out that method
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United States of America Patent
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Sep 10, 1991
Grant Date -
N/A
app pub date -
Apr 24, 1989
filing date -
Apr 28, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is provided for flame-spraying powdered materials onto a substrate by means of an autogenous flame-spraying apparatus of the type in which a combustion gas-oxidation gas mixture is produced and ignited at the outlet of a burner nozzle with the powdered material conveyed by a carrier gas to the burner nozzle and introduced in the flame at the outlet of the burner nozzle. The working parameters of the flame-spraying apparatus are chosen so as to provide an energy constant P.sub.E which together with the kinetic energy E.sub.k of the particles enables the use of a broad range of flame speeds.
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