A bronze alloy and a sliding member using the bronze alloy and a method for manufacturing the sliding member.

摘要

[Problem]To provide a bronze alloy and a sliding member, to which high seizure resistance and high adhesive wear resistance against fluctuating high speed/high surface pressure sliding are imparted, while having a lead-free composition.[Solution]A bronze alloy of the present application characteristically contains 8 to 15 mass% of Sn, 0.5 to 7.0 mass% of Bi, 0.5 to 5.0 mass% of Ni, 0.08 to 1.2 mass% of S, 0.5 to 6.0 mass% of Fe, and a balance comprised of Cu and inevitable impurities; andthe bronze alloy is a metal structure having a eutectoid structure in which a fine flaky copper-tin-based intermetallic compound precipitates in the α-copper and an iron-nickel-based intermetallic compound and a copper-iron-based composite sulfide are dispersed.