DEVICE FOR MICRO-ARC OXIDATION OF METALS AND THEIR ALLOYS Russian patent published in 2011 - IPC C25D11/02 

FIELD: metallurgy.

SUBSTANCE: here is disclosed device consisting of power source connected to secondary power source, and of bath for electrolyte, case of which is connected with oxidised part via successively connected voltage sensor and current sensor. Further, the device consists of a control machine on base of personal computer and of a step-up transformer. Additionally, the device consists of a thyristor voltage converter, of system of pulse-phase control, of driver unit, of the first and the second analogue-digital converters, of a manual control panel, of a micro-controller, of a remote control panel, of successively connected the first rectifier, the first filter, the first pulse voltage converter and operation mode switch, and also, successively connected the second rectifier, the second filter and the second pulse voltage converter.

EFFECT: extended assortment of treated materials and versatility of process of treatment for various metals and their alloys.

2 dwg