Ceramic Seats and Intermetallic Coated Valves in a Natural Gas Fired Engine

Paper #:
  • 910951

Published:
  • 1991-04-01
Citation:
Woods, M. and McNulty, W., "Ceramic Seats and Intermetallic Coated Valves in a Natural Gas Fired Engine," SAE Technical Paper 910951, 1991, https://doi.org/10.4271/910951.
Pages:
7
Abstract:
Significant reductions in valve and valve-seat insert wear have been demonstrated with the use of advanced materials for natural gas fueled engines. Total valve and insert wear was reduced by a factor of 10. It was demonstrated that the seat insert wear can be completely eliminated by using ceramic materials. All wear is then limited to the valve seat-face.The direct benefits to users of natural gas engines with advanced technology valve system materials can include reduced operating costs, greater convenience, and improved availability.
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