ANTIFRICTION-DESTINATION COMPOSITE FOR OPERATIONS UNDER LIMITED LUBRICATION CONDITIONS

摘要

antifriction materials. SUBSTANCE: cast composite material for use in heavy-duty friction units operated under limited lubrication conditions is based on industrial cast aluminum alloys (silumin type) and contains discrete fillers of two types: very hard and high silica module ceramic particles of carbides, nitrides, and oxides with particle size no greater than 20 mcm and 40-160 mcm fraction of graphite particles, wherein volume portion of ceramic filler varies between 2.5 and 5.0 vol %. EFFECT: reduced coefficient of friction under dry friction conditions and increased carrying capacity. 2 cl, 1 tbl