Patent ID: 8950941
Filing Date: 2015-02-10
Classification: C22C,F16C

Abstract:
1. A sliding member, comprising: a cylindrical body made of a high-strength brass alloy; a plurality of holes or grooves formed at least in an inner periphery as a sliding surface of the cylindrical body; and solid lubricant filled and fixed in the holes or grooves, wherein: the high-strength brass alloy consists only of, in terms of mass ratios, Zn in a range of from 17% or more to 28% or less, Al in a range of from 3% or more to 10% or less, Fe in a range of from 1% or more to 4% or less, Cr in a range of from 0.1% or more to 4% or less, Si in a range of from 0.5% or more to 3% or less, a remnant including Cu, and inevitable impurities; and a matrix shows single-phase structure of β phase, while in the structure Fe-Cr-Si-based intermetallic compounds are dispersed in the β phase.