Element Enrichment Behavior of Cold-Rolled IF Steel Plate Surface and Its Influence on Corrosion Resistance

doi:10.12068/j.issn.1005-3026.2018.06.009

Journal of Northeastern University Natural Science ›› 2018, Vol. 39 ›› Issue (6): 803-807.DOI: 10.12068/j.issn.1005-3026.2018.06.009

• Materials & Metallurgy • Previous Articles Next Articles

Element Enrichment Behavior of Cold-Rolled IF Steel Plate Surface and Its Influence on Corrosion Resistance

CHEN Hong-xing^1,2， LI Jian-zhong³， YU Zi-han³， LIU Chang-sheng¹

1. School of Materials Science & Engineering， Northeastern University， Shenyang 110819， China; 2. Baoshan Iron & Steel Co.， Ltd.， Shanghai 201900， China. 3. School of Metallurgy， Northeastern University， Shenyang 110819， China.

Received:2017-02-10 Revised:2017-02-10 Online:2018-06-15 Published:2018-06-22
Contact: LI Jian-zhong
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Abstract

Abstract: Cold-rolled IF steel plate has been widely used in automobile and other industries， but the corrosion resistance of the surface is very poor. The effects of the surface element enrichment behavior on corrosion resistance of the cold-rolled IF steel plate were investigated by GDS， XPS and SEM in the experiments with different processing conditions. The results showed that the element enrichment on the surface of cold rolled plate has obvious influences on the corrosion resistance. The corrosion resistance decreases with the increase of Mn enriched on the surface of cold rolled plate. The enrichment of Mn on the cold-rolled plate surface can be effectively reduced with the increase of the plate-passing speed and the dew point temperature during the continuous annealing process. The corrosion resistance of the cold-rolled plate can be effectively improved by increasing the inlet temperature of the quenching tank.

Key words: cold-rolled IF steel plate, surface properties, element enrichment, corrosion resistance, annealing process

CLC Number:

CHEN Hong-xing， LI Jian-zhong， YU Zi-han， LIU Chang-sheng. Element Enrichment Behavior of Cold-Rolled IF Steel Plate Surface and Its Influence on Corrosion Resistance[J]. Journal of Northeastern University Natural Science, 2018, 39(6): 803-807.

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Element Enrichment Behavior of Cold-Rolled IF Steel Plate Surface and Its Influence on Corrosion Resistance

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