ALUMINUM ALLOY FOR CASTING, AND INTERNAL COMBUSTION ENGINE CYLINDER HEAD

To provide an aluminum alloy for casting that has excellent fatigue strength and can improve the castability and mechanical strength, and to provide an internal combustion engine cylinder head.SOLUTION: The aluminum alloy for casting contains, in mass ratio, Si: 6.5 to 8.0%, Cu: 0.6 to 0.8%, Mg: 0.3...

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Bibliographische Detailangaben
Hauptverfasser:	NONOYAMA YOSHIAKI, NOMURA YOSUKE, TSURUOKA ANNA, TOKUNO MAKOTO, NISHISAKO TAKASHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ALLOYS ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING 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 TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	To provide an aluminum alloy for casting that has excellent fatigue strength and can improve the castability and mechanical strength, and to provide an internal combustion engine cylinder head.SOLUTION: The aluminum alloy for casting contains, in mass ratio, Si: 6.5 to 8.0%, Cu: 0.6 to 0.8%, Mg: 0.3 to 0.4%, and the balance of Al and inevitable impurities, and is characterized by having a tensile strength: 250 MPa or more, a 0.2% proof stress: 200 MPa or more, and an elongation: 0.5 to 0.7%.SELECTED DRAWING: None 【課題】本発明の少なくとも一つの実施形態は、疲労強度に優れるとともに、鋳造性及び機械的強度を向上することができる鋳造用アルミニウム合金及び内燃機関のシリンダーヘッドを提供することを目的とする。【解決手段】鋳造用アルミニウム合金は、質量比で、Ｓｉ：６．５〜８．０％、Ｃｕ：０．６〜０．８％、Ｍｇ：０．３〜０．４％を含有し、残部がＡｌ及び不可避的不純物であり、引張強度：２５０ＭＰａ以上、０．２％耐力：２００ＭＰａ以上、伸び０．５〜０．７％であることを特徴とする。【選択図】なし