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PROBLEM TO BE SOLVED: To stabilize abrasion resistance even under severe sliding conditions such as high speed and sliding during conduction, by adding the particles of molybdenum disulfide heat-treated in an atmosphere of air and alumina fiber to the matrix of aluminum or aluminum alloy. SOLUTION:...

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Bibliographic Details
Main Authors AKAKABE TAKEHIKO, MATSUYAMA SHINSAKU, SAKOTA SHOICHI
Format Patent
LanguageEnglish
Published 02.02.1999
Edition6
Subjects
ALLOYS
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
CHEMISTRY
ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES
ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL
FERROUS OR NON-FERROUS ALLOYS
MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
VEHICLES IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To stabilize abrasion resistance even under severe sliding conditions such as high speed and sliding during conduction, by adding the particles of molybdenum disulfide heat-treated in an atmosphere of air and alumina fiber to the matrix of aluminum or aluminum alloy. SOLUTION: After heat treatment in an atmosphere of air for a preform made by mixing alumina fiber and the particles of molybdenum disulfide, the preform is immediately placed in a mold and, as matrix, molten aluminum consisting of one kind or two or ore kinds of aluminum alloy or Si: 11.0 to 13.5 wt.%, Cu: 0.50 to 1.3 wt.%, Mg: 0.8 to 1.3 wt.%, Ni: 0.50 to 1.3 wt.% and Fe: less than 1.0 wt.%, Mn: less than 0.02 wt.%, Cr: less than 0.10 wt.%, Zn: less than 0.25 wt.% including the remainder Al, and unavoidable impurities are subjected to high pressure impregnation.
Bibliography:Application Number: JP19970199331