Browse Publications Technical Papers 2000-01-0394

High Wear and Heat Resistant P/M Valve Guides 2000-01-0394

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.


Subscribers can view annotate, and download all of SAE's content. Learn More »


Members save up to 40% off list price.
Login to see discount.
Special Offer: With TechSelect, you decide what SAE Technical Papers you need, when you need them, and how much you want to pay.