Cold gas spraying method and apparatus therefor

Cold projection of powder materials comprises feeding powder materials with different properties into subsonic and/or supersonic parts of a supersonic nozzle via different feed points. The powder materials are accelerated by a gas stream and are deposited on a surface. An independent claim is also i...

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Bibliographische Detailangaben
Hauptverfasser:	SOVA, ALEKSEY ALESANDROVICH, ALKHIMOV, ANATOLY PAVLOVICH, LAVRUSHIN, VICTOR VLADIMIROVICH, LAGET, BERNARD, KLINKOV, SERGEY VLADIMIROVICH, SMUROV, IGOR, BERTRAND, PHILIPPE, KOSAREV, VLADIMIR FEDEROVICH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Cold projection of powder materials comprises feeding powder materials with different properties into subsonic and/or supersonic parts of a supersonic nozzle via different feed points. The powder materials are accelerated by a gas stream and are deposited on a surface. An independent claim is also included for a device for cold projection of powder materials, comprising an electric heater (1) for heating pressurized gas, a supersonic nozzle (2) connected to the outlet of the heater, a principal feed device for supplying the nozzle separately with at least two powders, and at least one supplementary feed device for supplying the supersonic parts of the nozzle with at least one powder.