Iron-based sintered friction material
The present invention relates to powder metallurgy, especially to iron-based sintered friction materials. According to the invention, boron nitride is added to the composition of an iron-based sintered friction material, which contains copper, tin, barium sulphate, graphite, devitrified glass and le...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | The present invention relates to powder metallurgy, especially to iron-based sintered friction materials. According to the invention, boron nitride is added to the composition of an iron-based sintered friction material, which contains copper, tin, barium sulphate, graphite, devitrified glass and lead, at the following ratio of components in % by mass: Copper 1.5-3.0 Tin 1.0-2.0 Barium sulphate 4.0-8.0 Graphite 1.0-8.0 Boron nitride 0.5-4.0 Devitrified glass 1.0-5.0 Lead 10.0-20.0 remainder iron. l |
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