High Wear and Heat Resistant P/M Valve Guides

Paper #:
  • 2000-01-0394

Published:
  • 2000-03-06
Citation:
Kanezaki, N., "High Wear and Heat Resistant P/M Valve Guides," SAE Technical Paper 2000-01-0394, 2000, https://doi.org/10.4271/2000-01-0394.
Author(s):
Pages:
6
Abstract:
Automotive engine P/M valve guides running at high rpm and delivering high amounts of power require a high degree of heat and wear resistance. Two new materials have been developed for valve guides which exhibit excellent durability compared to traditional cast iron and current P/M materials. These iron-based materials(Fe-2Cu-2C) in the sintered state showed a uniform particle size free graphite. This property acts as a self-lubricant when the valve guide is in operation. This paper reports the new material properties and durability test results.
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