METHOD FOR COATING A TURBOMACHINE PART

A method for coating a turbomachine part includes depositing a paint by electrophoresis on the part, a voltage between the part and a counter electrode being controlled during the deposition by imposing a sequence of pulsed voltage cycles, each cycle having: (i) a first voltage stabilization phase d...

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Bibliographische Detailangaben
Hauptverfasser:	NOIVILLE, Romain, KNITTEL, Stéphane, TABERNA, Pierre-Louis, ANSART, Florence, WAGNER, Julien, GANI, Léa, Rébecca
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR BLASTING CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A method for coating a turbomachine part includes depositing a paint by electrophoresis on the part, a voltage between the part and a counter electrode being controlled during the deposition by imposing a sequence of pulsed voltage cycles, each cycle having: (i) a first voltage stabilization phase during which a first potential difference is imposed between the part and the counter electrode, and a second voltage stabilization phase during which a second potential difference is imposed, an absolute value of the first potential difference being between 0.1 V and 30 V, and an absolute value of the second potential difference being less than the absolute value of the first potential difference, the second potential difference being not equal to zero or being equal to zero, and (ii) a ratio R [duration of the first phase]/[duration of the first phase+duration of the second phase] between 1:10 and 1:3.