FIELD: electrics.
SUBSTANCE: method involves oxidation for 30-85 minutes in water electrolyte including caustic potash 3.0-5.0 g/l and boric acid 20.0-40.0 g/l, at current density of 25-35 A/dm2, and further heating of parts to temperature of 500°C or over. Additionally electrolyte includes photoinitiator of singlet oxygen, methylene blue 0.5-0.8 g/l, and oxidation is performed with rotational and advancing part movement during oxygen supply under pressure through jet nozzle to oxidised part surfaces, and with laser emission affecting oxygen jet from the jet nozzle orifice at 1-2 mm distance from oxidised surface.
EFFECT: enhanced oxidation efficiency and coating thickness, solidity and breakdown voltage.
2 tbl, 1 ex, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROCEDURE FOR APPLICATION OF COATING | 2009 |
|
RU2395632C1 |
| METHOD FOR COATING RECEIVING | 2006 |
|
RU2339745C2 |
| METHOD OF COATING OBTAINMENT | 2009 |
|
RU2392359C1 |
| PROCEDURE FOR APPLYING COATING | 2009 |
|
RU2393274C1 |
| PROCEDURE FOR APPLICATION OF COATING | 2009 |
|
RU2395633C1 |
| METHOD FOR OBTAINING COATINGS ON SURFACES OF BLIND HOLES OF PARTS FROM ALUMINIUM ALLOYS | 2011 |
|
RU2471895C1 |
| METHOD FOR TREATMENT OF PARTS FROM ALLOYS OF METALS OF VENT GROUP WITH THROUGH-HOLES WITH ELECTROCHEMICAL OXIDATION | 2017 |
|
RU2661135C1 |
| METHOD FOR PRE-ASSESSMENT OF SUITABILITY OF STANDARD ALUMINIUM ALLOY TO PROCESSING BY MICRO-ARC OXIDATION AND THICKNESS OF OBTAINED COATING | 2008 |
|
RU2403325C2 |
| METHOD OF PRELIMINARY DETERMINATION OF SUITABILITY OF ALUMINIUM ALLOYS TO TREATMENT WITH MICRO-ARC OXIDATION, AND OF THICKNESS, HARDNESS AND BREAKDOWN VOLTAGE OF MANUFACTURED COATING | 2009 |
|
RU2431001C2 |
| METHOD OF PRODUCING COATINGS ON SURFACES OF THROUGH HOLES IN PRODUCTS FROM VALVE METAL ALLOYS | 2017 |
|
RU2669952C1 |
