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METHODS OF THREE-DIMENSIONAL ELECTROPHORETIC DEPOSITION FOR CERAMIC AND CERMET APPLICATIONS AND SYSTEMS THEREOF

United States Patent Application

20160355944
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
In one embodiment, a method for forming a ceramic, metal, or cermet includes: providing a first solution comprising a first solvent and a first material to a device including an electrophoretic deposition (EPD) chamber; applying a voltage difference across a first electrode and a second electrode of the device; electrophoretically depositing the first material above the first electrode to form a first layer; introducing a second solution including a second solvent and a second material to the EPD chamber; applying a voltage difference across the first electrode and the second electrode; and electrophoretically depositing the second material above the first electrode to form a second layer. The first layer has a first composition, a first microstructure, and a first density, while the second layer has a second composition, a second microstructure, and a second density. At least one of the foregoing features of the first and second layers are different.
Rose, Klint Aaron (Alviso, CA), Kuntz, Joshua D. (Livermore, CA), Worsley, Marcus (Hayward, CA)
15/ 236,313
August 12, 2016
[0001] The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory.