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Erosion resistant materials for spark plug components

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A spark plug for an internal combustion engine includes an electrode which is constructed of a Ni-, Co-, Cu- or Fe-base alloy material having MC-type carbide precipitates wherein M in the designation MC is one or a combination of a group of elements consisting of Hf, Mo, Nb, V, Ta, Ti, W and Zr. In addition, the spark plug also includes an insert tip which is constructed of an Re-modified Cr-base alloy.
Brady, Michael Patrick (Oak Ridge, TN), Lin, Hua-Tay (Oak Ridge, TN)
11/ 224,179
September 12, 2005
[0001] This invention was made with Government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy to UT-Battelle, LLC, and the Government has certain rights to the invention.