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在用铁模铸造的锭坯直接进行热轧时.铝板的起皮缺陷占废品的较大比例.铸造时铸锭产生的表面裂纹以及热轧过程产生的热轧裂纹.是引起铝板起皮缺陷的一个重要原因.作者对裂纹造成起皮现象的机理进行了探讨.并通过生产实例进行了论述.
In the iron ingot billets directly hot-rolled aluminum peeling defects accounted for a large proportion of waste casting surface casting ingot cracks and hot-rolled hot rolling process is caused by the skin defects Is one of the important reasons.The authors discuss the mechanism of the crack caused by the crack and discuss it through the production example.