CATHODE COATINGS FOR PULSED ELECTROCHEMICAL MACHINING
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United States of America Patent
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Issued Date -
Jun 22, 2023
app pub date -
Dec 22, 2021
filing date -
Dec 22, 2021
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Abstract
An electrochemical machining system includes an anodic workpiece of an electrically conductive metal, and an electrically conductive metallic cathodic tool with an external surface configured to machine the anodic workpiece. At least a portion of the external surface of the cathodic tool has a coating of diamond-like carbon (DLC). The system further includes a current source configured to apply a pulsed direct current to the anodic workpiece and the cathodic tool, and an electrolyte between the anodic workpiece and the cathodic tool.
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