Gravity Casting and Hot Forging of Al-Mg Alloy and Al-Mg Alloy with Fe Added

Toshio Haga; Takumu Sugishita; Hiroshi Fse; Hisaki Watari; Shinichi Nishida

doi:10.4028/www.scientific.net/MSF.1042.69

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HomeMaterials Science ForumMaterials Science Forum Vol. 1042Gravity Casting and Hot Forging of Al-Mg Alloy and...

Gravity Casting and Hot Forging of Al-Mg Alloy and Al-Mg Alloy with Fe Added

Abstract:

Al-4.7%Mg alloy with 0, 0.2, 0.4, 0.6 and 0.8% Fe added was cast using a copper mold and an insulator mold. The cooling rates of ingots cast using the copper mold and the insulator mold were 30.6 ^°C/s and 0.5 ^°C/s, respectively. The tensile stress and elongation of the ingots cast by the copper mold were superior to those cast by the insulator mold. The addition of Fe did not lead to tensile stress, but the elongation became smaller as the Fe content increased. The elongation of the ingot cast using the copper mold became much smaller on addition of only 0.2% Fe. The tensile stress and elongation were improved by hot forging with 50% reduction. The elongation of the ingots with Fe added was significantly improved by the hot forging. The degree of improvement of the tensile stress and elongation for the ingots cast using the insulator mold was remarkable.

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Materials Science Forum (Volume 1042)

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69-75

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https://doi.org/10.4028/www.scientific.net/MSF.1042.69

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Online since:

August 2021

Authors:

Toshio Haga*, Takumu Sugishita, Hiroshi Fse, Hisaki Watari, Shinichi Nishida

Keywords:

Al-Mg Alloy, Cast Forging, Gravity Casting, Hot Forging, Recycle Al Alloy

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