Sliding mechanism and variable valve timing mechanism for internal combustion engine

A sliding mechanism includes a first sliding member made of an aluminum alloy material, the aluminum alloy material being supplemented with at least an element selected from Sb ranging from 0.05 to 0.20 weight %, Na ranging from 0.001 to 0.01 weight %, Sr ranging from 0.001 to 0.05 weight %, and Ca...

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Bibliographic Details
Main Authors HIRATSUKA ICHIRO, NAKAJIMA SHIGERU
Format Patent
LanguageEnglish
Published 18.01.2005
Edition7
Subjects
ALLOYS
BLASTING
CASTING
CHEMISTRY
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
FERROUS OR NON-FERROUS ALLOYS
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
MECHANICAL ENGINEERING
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
STEAM ENGINES
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WEAPONS
WORKING METALLIC POWDER
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Summary:A sliding mechanism includes a first sliding member made of an aluminum alloy material, the aluminum alloy material being supplemented with at least an element selected from Sb ranging from 0.05 to 0.20 weight %, Na ranging from 0.001 to 0.01 weight %, Sr ranging from 0.001 to 0.05 weight %, and Ca ranging from 0.0005 to 0.01 weight %; and a second sliding member arranged so as to be brought into sliding engagement with the first sliding member. The second sliding member is made of a material which is obtained by caking a rapidly solidified aluminum powder containing therein at least an Si element and a Fe element. Preferably, the Si element has an average particle diameter of 3 mum or less.
Bibliography:Application Number: US20020173167