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Corrosion engineering digest
Al(55)-Zn(45) alloy coated steel was developed as a new coated steel for better corrosion resistance. But we found that extraordinary black rust was formed on the steel in the presence of water. A study has therefore been made on the black rust. The main ingredient of black rust formed on the steel was j9-A1203. 3H2O (bayerite) and corrosion products of Zn were hardly detected.doi:10.3323/jcorr1974.25.9_561 fatcat:b5ynjv4wnfa47ftlp65ibj6e4a