ALUMINUM ALLOY FOR CASTING TO BE USED FOR CASTING VEHICULAR WHEEL, AND VEHICULAR WHEEL CASTING METHOD

Japanese Patent JP2009074109

A

To provide an aluminum alloy for casting to be used for casting a vehicular wheel wherein the additive amount of beryllium is regulated so as to suppress oxidation of a molten aluminum alloy when casting the vehicular wheel, and a vehicular wheel casting method.

The aluminum alloy for casting is obtained by adding beryllium to an Al-Si-Mg aluminum alloy by 3-8 ppm, and the molten aluminum alloy for casting is cast into a vehicular wheel. Further, a molten metal is generated by adding beryllium to the molten Al-Si-Mg aluminum alloy by 3-8 ppm, and the molten metal is cast into the vehicular wheel. By limiting the additive amount of beryllium to be very small and in a very narrow range, the effect of suppressing oxidation of the molten metal is drastically demonstrated.

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KUMAGAI KUNIO
HASHIMOTO MASAOKI
MASUDA RYUICHI

JP2007241421A

April 09, 2009

September 18, 2007

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CHUO MOTOR WHEEL CO LTD
TOYOTA MOTOR CORP

C22C21/02; B22C9/28; B22D18/04; B60B3/04; B60B3/06

Kitao Matsuura
Yasutoshi Iwata
Yu Yamamoto

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