Embedding sensors in 3D-printed silicon carbide

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11964918
APP PUB NO 20210230076A1
SERIAL NO

17142315

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Abstract

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An improved method for embedding one or more sensors in SiC is provided. The method includes depositing a binder onto successive layers of a SiC powder feedstock to produce a dimensionally stable green body have a true-sized cavity. A sensor component is then press-fit into the true-sized cavity. Alternatively, the green body is printed around the sensor component. The assembly (the green body and the sensor component) is heated within a chemical vapor infiltration (CVI) chamber for debinding, and a precursor gas is introduced for densifying the SiC matrix material. During infiltration, the sensor component becomes bonded to the densified SiC matrix, the sensor component being selected to be thermodynamically compatible with CVI byproducts at elevated temperatures, including temperatures in excess of 1000° C.

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Patent Owner(s)

  • UT-BATTELLE, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jolly, Brian C Oak Ridge, US 3 3
Petrie, Christian M Oak Ridge, US 7 0
Terrani, Kurt A Oak Ridge, US 7 6
Trammell, Michael P Oak Ridge, US 7 60

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