MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Effect of Blending Ratio of Steel Can Pellets without Cap on Mechanical Properties of Spheroidal Graphite Cast Iron
Katsumi KoikeSatoshi Akita
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2009 Volume 50 Issue 6 Pages 1462-1466

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Abstract

The authors attempted to use steel can pellets after removing the Al-Mg alloy of can’s cap part using differences in the melting point of steel and Al, for melt-casting spheroidal graphite cast iron in a high-frequency furnace. Then, they examined differences in the mechanical properties such as tensile strength and hardness and the microstructure of cast test specimens. Although tensile strength and hardness increased with an increase in the blending ratio of steel can pellets as an iron source, the specimen made by melting only steel can pellets as an iron source showed a remarkable drop in elongation. However, since abnormality in the microstructure was not recognized in all tested specimens, it was judged that material properties were not deteriorated when iron scrap was replaced with steel can pellets within the blending ratio of up to 60%. Judging from these test results, it is suggested that steel can pellets used in this experiment can be utilized as a raw material for spheroidal graphite cast iron in the blending ratio up to 60%.

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© 2009 Japan Foundary Engineering Society
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