CYLINDER BLOCK AND ITS CASTING METHOD

PROBLEM TO BE SOLVED: To make liner-less and increase the slidability of cylinder bore. SOLUTION: A base metal is made of an aluminum-silicon alloy containing a silicon of more than eutectic composition. Also the inside wall surface of a cylinder bore 2 is formed with silicon enriched layer S having...

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Hauptverfasser: ITOU TOMOHITO, TANIZAWA MOTOHARU
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creator ITOU TOMOHITO
TANIZAWA MOTOHARU
description PROBLEM TO BE SOLVED: To make liner-less and increase the slidability of cylinder bore. SOLUTION: A base metal is made of an aluminum-silicon alloy containing a silicon of more than eutectic composition. Also the inside wall surface of a cylinder bore 2 is formed with silicon enriched layer S having a primary crystal silicon higher in density than that contained in the base metal by the coagulation of the primary crystal silicon in the base metal. To form the silicon enriched layer S, a cylindrical filtrating material F surrounding a core for cylinder bore is used, and molten metal is filtrated by pressurization so as to coagulate the primary crystal silicon around the filtrating material F.
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Also the inside wall surface of a cylinder bore 2 is formed with silicon enriched layer S having a primary crystal silicon higher in density than that contained in the base metal by the coagulation of the primary crystal silicon in the base metal. 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subjects ALLOYS
ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
BLASTING
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
CHEMISTRY
COMBUSTION ENGINES
CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES
FERROUS OR NON-FERROUS ALLOYS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WEAPONS
title CYLINDER BLOCK AND ITS CASTING METHOD
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