HIGHLY CORROSIVE MAGNESIUM ALLOY

PURPOSE:To obtain a Mg alloy which corrodes and disappears in sea water in a short time by adding specified amounts of one or more kinds among Ni, Fe and Cu to Mg. CONSTITUTION:As an Mg alloy material used on the sea or on the shore, and after the use, to be discarded in the sea and corrodes in a da...

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Main Authors TAKABAYASHI ATSUO, YANAGIHARA HIDEAKI, YAMASHITA MASATOSHI, MOCHII SHIYUUKICHI, FURUYA SHUICHI
Format Patent
LanguageEnglish
Published 14.09.1990
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:PURPOSE:To obtain a Mg alloy which corrodes and disappears in sea water in a short time by adding specified amounts of one or more kinds among Ni, Fe and Cu to Mg. CONSTITUTION:As an Mg alloy material used on the sea or on the shore, and after the use, to be discarded in the sea and corrodes in a day or two to disappear, an Mg alloy having the compsn. of which either one or more kinds among Ni, Fe and Cu are added, in the total amt. of 0.02 to 5wt.%, to Mg is used. After the use, when discarded into the sea, the alloy corrodes rapidly in a short period of a day or two and disappears. For improving the extrudability, 0.5 to 3.5wt.% Al and 0.2 to 1.5wt.% Zn may be added to the Mg alloy.
Bibliography:Application Number: JP19890052792