| 摘要 |
The invention relates to powder metallurgy and concerns in particular iron-based sintered friction material. According to the invention, zinc sulphide is added to the iron-based sintered friction material, which contains copper, tin, graphite, Sitall and lead, in the following ratio of the components, in % by mass: copper 1.5-3.0, tin 1.0-2.0, zinc sulphide 2.0-4.0, graphite 6.0-10.0, Sitall 2.0-5.0 and lead 10.0-20.0, the remainder being iron.
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