Abstract
Influences of impurities in magnesium on some mechanical properties and the corrosion resistivity were studied about supper high purity magnesium prepared by vacuum evapolation process, high purity magnesium containing several alloying impurities, and commercial purity magnesium.The results obtained are as follows:1. Fair deformability was obtained at super high purity magnesium.2. The change on mechanical properties depending upon the change of kinds and quantity of impurities in magnesium was not remarkable, but Cu and Si slightly reduce deformability of magnesium.3. Superior corrosion resistivity was obtained in the case of super high purity magnesium.4. The corrosion resistivity of high purity magnesium fell off in order of Al, Si, Cu and Fe contained in magnesium.5. In case of commercial purity magnesium, the corrosion resistivity was inferior, but better than magnesium containing some quantity of iron.
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