連続鋳造圧延したＡｌ‐Ｍｇ‐Ｓｉ合金板の耐食性に及ぼす鉄量の影響
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The effect of iron content of Al–Mg–Si alloy strips fabricated by the twin roll cast (TRC) on filiform corrosion resistance after paint was investigated. The filiform corrosion resistance was maintained to 0.4 mass% iron content. However, the resistance was deteriorated on 0.8 mass% iron content. The deterioration of the filiform corrosion resistance of Al–Mg–Si alloy with 0.8 mass% iron was related to the intermetallic compounds included iron. Higher amount of iron in Al–Mg–Si alloy made the intermetallic compounds formed on cell boundary during twin roll casting. The intermetallic compounds are found to be the origin of corrosion, and corrosion progress along the compounds. As a result, the continuous intermetallic compounds are decreased of filiform corrosion resistances on TRC strips.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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