Sintered contact component

Sintered contact component

The invention concerns copper - based sintered components for use as contact components such as clutches and brakes and is intended to provide a sintered component comprising hard particles admixed with and finely and uniformly dispersed in a primary particle of a matrix to provide improved friction...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKANO, YOSHISHIGE, KONDOH, KATSUYOSHI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALLOYS
BLASTING
BRAKES
CASTING
CHEMISTRY
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
FERROUS OR NON-FERROUS ALLOYS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
MECHANICAL ENGINEERING
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
THERMAL INSULATION IN GENERAL
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WEAPONS
WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:The invention concerns copper - based sintered components for use as contact components such as clutches and brakes and is intended to provide a sintered component comprising hard particles admixed with and finely and uniformly dispersed in a primary particle of a matrix to provide improved friction coefficient, and in which the dispersed hard particles are inhibited from coming off the Cu - Sn alloy matrix during contact movement so that the sintered component is possessed of good friction contact characteristics and improved mechanical properties under dry and wet conditions. The sintered contact component comprises a copper - based sintered alloy having a structure such that 15 to 25 wt % of a hard particulate material having a maximum particle diameter of not more than 15 mu m and a mean particle diameter of not more than 5 mu m is uniformly dispersed within copper particles in an alloy matrix.