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Method of manufacturing an aluminum alloy casting material suitable for semi-solid forming
Method of manufacturing an aluminum alloy casting material suitable for semi-solid forming
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机译：适用于半固态成形的铝合金铸造材料的制造方法
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摘要
PURPOSE: To simply, easily and surely obtain a billet suitable to half-melting molding by solidifying molten Al alloy held to a specific superheat at a specific cooling temp. ;CONSTITUTION: The molten aluminum alloy is held to 30° superheat to the liquidus temp. This molten metal is solidified at ≥1.0 °C/s solidified range cooling rate to obtain the aluminum alloy casting billet having fine equiaxed crystal structure. The aluminum alloy uses the one adding 0.001-0.01% B and 0.005-0.30% Ti. Further, in the aluminum alloy, Si is contained at 4-6%. At the time of producing, the molten metal is supplied which finely oscillating a metallic mold for billet in the almost right angle direction to the liquid supplying direction to produce this billet. By this method, the metallurgical structure near granular structure can be obtd.;COPYRIGHT: (C)1996,JPO
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