Influence Mechanism and Control Strategy of Surf activity of Cold Rolled Sheets
Taking the cold-rolled continuous annealing sheets as the research subject,this study a-dopted GDS,SEM,and electrochemistry analytical methods to explore the influence law of surface elemen-tal enrichment on the corrosion resistance of the cold-rolled sheets,as well as the control strategies to im-prove the surface elemental enrichment.The research indicates that adjusting the material composition and optimizing the continuous furnace working condition can effectively improve the surface elemental enrich-ment structure of the continuous annealing sheets and adjust the surfactivity of the sheets to meet the phosphating and electrophoresis processs requirement of automotive users.
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