FIELD: details of friction units operating without lubrication. SUBSTANCE: proposed material contains natural graphite together with 7 mass % of ash. Desired graphitized material contains 0.2-0.4 mass % of ash impurities, mass ratio of ash and silicium carbide in it being 10:1. EFFECT: improves quality of desired product. 1 tbl
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Authors
Dates
1997-01-27—Published
1993-11-29—Filed