清除掉表面氧化皮、铁锈、油漆等杂质。
Mill scale, rust, paint coatings and foreign matter are removed.
不锈钢表面氧化皮成分及其与基体的界面结合强弱直接决定了酸洗的难易程度。
Composition of the oxide scale formed on the stainless steel surface and the bonding strength between the layer and substrate directly determines the difficulty of pickling.
采用激光拉曼光谱并结合SEM和XRD等手段对高碳钢盘条表面氧化皮进行了研究，同时，对不同冷却条件下形成的氧化皮机械剥离性能进行了评价。
The three-layer structure of oxide scale formed on high carbon steel wire was confirmed by laser Raman spectroscopy (LRS), together with SEM and XRD.
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