Device and method for electrochemically processing a material
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United States of America Patent
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Jan 17, 2023
Grant Date -
Jul 1, 2021
app pub date -
May 22, 2019
filing date -
May 25, 2018
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Abstract
The invention relates to a method and a device for electrochemically processing a material, which contains a hard phase and a binder phase. The method comprises preparing an aqueous, alkaline, complexing-agent-containing electrolyte and bringing the material to be processed into contact at least in part with the electrolyte and with a current source. In order to electrochemically oxidize the material, a pulsed electrical current is delivered to the material by means of the current source, the pulse sequence of the delivered electrical current being adjusted to the amount of the binder phase in the material to be processed. By means of the method and by means of the device, it is also possible to process materials having a high content of binder phase in such a way that matter can be removed from the material evenly (homogeneously), i.e. both from the hard phase and from the binder phase of the material.
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