1956-01-01

WEAR OF MATERIALS FOR HIGH TEMPERATURE DYNAMIC SEALS 560170

Wear studies were made to show the effects on performance of temperature, type of mating materials, and minor composition changes in typical carbon seal materials. Most data were obtained at a sliding velocity of 10,000 feet per minute, a load of 1000 grams on a 3/16 inch radius specimen and with temperatures to 700 F.
Wear of carbon materials increased rapidly with higher temperatures. The effect of temperature on wear was reduced by use of chromium plate as the mating surface rather than stainless steel or tool steel. In general, impregnations of carbon had little effect on wear compared with effect of the mating material.

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