Investigation of the transformation of sink-roll groove-mark defect in the galvannealing process-中国期刊网

摘要 Theinfluenceofgalvannealingonthetransformationofthesink-rollgroove-markdefectwasstudiedbycomparingthedefectsongalvannealed(GA)coatingwiththoseongalvanized(GI)coating,ItwasfoundthatdefectsonGIcoatingcontainedhighamountsofaluminum,zincdross,andazinc-ironintermetallicoutburststructure,aswellasslightscratchesonthesubstrate.Afterbeinggalvannealed,thealuminumcontentwashigherandtherewasamuchgreateroutburststructure,whichmadethecoatingofthedefectthickerthanthenormalcoating,whilethezincdrossandscratchesonthesubstratehaddisappearedduetozincandirondiffusionduringthegalvannealingprocess.

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Investigation of the transformation of sink-roll groove-mark defect in the galvannealing process

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Investigation of the transformation of sink-roll groove-mark defect in the galvannealing process

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