THREE DIMENSIONAL CARBON ARTICLES
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United States of America Patent
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Issued Date -
Nov 10, 2016
app pub date -
Mar 10, 2016
filing date -
Sep 12, 2013
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Abstract
A method for making a three dimensional carbon and graphite articles using three dimensional printing techniques is provided. The method includes depositing alternating layers of a binder and a filler to form an article. The filler includes at least one of carbon, graphite and combinations thereof. The article is heat treated in a non-oxidizing environment to at least about 2000° C. Another method of forming an article includes depositing alternating layers of a binder and a filler, wherein said filler includes a carbon or graphite powder in combination with a milled pitch. The binder volatizes at a temperature greater than a softening point temperature of the milled pitch, the article is heat treated in a non-oxidizing environment to at least about 800° C.
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