Electrochemical polishing method
AssigneeInoue-Japax Research Incorporated
InventorKiyoshi Inoue
Life of this patent
Estimating the term…
Abstract
A method of electrochemically polishing a metal body which comprises juxtaposing the surface to be polished with a tool electrode in the presence of an abrasive and an electrolyte, and applying pulses having a duration not exceeding 100 microseconds between the electrode and the workpiece with the electrode being poled negatively.
Claims17
A method of electrochemical polishing in which an electric current in the form of pulses is applied between a workpiece and a tool electrode juxtaposed therewith in the presence of an electrolyte, the pulses having a pulse duration not greater than 100 microseconds.
A method of electrochemically polishing a surface of a metallic workpiece which comprises:
- closely juxtaposing an abrasive but electrically conductive tool electrode with said surface to form an electrochemical-polishing interface therebetween;
- forcing an electrolyte between said electrode and said workpiece;
- applying a series of polishing electric pulses across said electrode and said workpiece with said electrode being poled negative relative to said workpiece to electrochemically polish said surface;
- and
- controlling the pulse duration of said pulses to limit said pulse duration to a duration not greater than 100 microseconds.
Dependencies are inferred from the claim text.