Patent ID: 6183877
Filing Date: 2001-02-06
Classification: B22F,C22C,Y10T

Abstract:
to about 8.8% spherical particle alumina, the spherical particle alumina having an average diameter between 10 to about 20 .mu.m, about 0.5 to about 20% nickel-bearing aluminide dispersoids, at least about 1 to about 4.4% lubricating phase selected from the group consisting of carbon and graphite, the lubricating phase having an average size of about 30 to 150 .mu.m, 5 to 19 (weight) % silicon, 0.1 to 1 (weight) % magnesium, 0.5-2 (weight) % iron, a volumetric ratio of alumina to lubricating phase between 0.3 to