Cu-BASED SINTERED SLIDING MATERIAL, AND PRODUCTION METHOD THEREFOR

The Cu-based sintered sliding material has a composition including, by mass %, 7% to 35% of Ni, 1% to 10% of Sn, 0.9% to 3% of P, and 0.5% to 5% of C, with a remainder of Cu and inevitable impurities, wherein the Cu-based sintered sliding material includes a sintered body including: alloy grains tha...

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Bibliographic Details
Main Author ISHII, Yoshinari
Format Patent
LanguageEnglish
Published 31.01.2019
Subjects
ALLOYS
BEARINGS
BLASTING
CASTING
CHEMISTRY
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FERROUS OR NON-FERROUS ALLOYS
FLEXIBLE SHAFTS
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
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WEAPONS
WORKING METALLIC POWDER
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Summary:The Cu-based sintered sliding material has a composition including, by mass %, 7% to 35% of Ni, 1% to 10% of Sn, 0.9% to 3% of P, and 0.5% to 5% of C, with a remainder of Cu and inevitable impurities, wherein the Cu-based sintered sliding material includes a sintered body including: alloy grains that contain Sn and C and contain a Cu-Ni-based alloy as a main component; grain boundary phases that contain Ni and P as main components and are dispersedly distributed in grain boundaries of the alloy grains; and free graphite that intervenes at the grain boundaries of the alloy grains, the Cu-based sintered sliding material has a structure in which pores are dispersedly formed in the grain boundaries of the alloy grains, and an amount of C in a metal matrix including the alloy grains and the grain boundary phases is, by mass %, 0.02% to 0.20%.
Bibliography:Application Number: US201716073563