COMPARISON BETWEEN CORROSION RESISTANCE OF ORDINARY AND SKIN PASSED HOT-DIP GALVANIZED COATING

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ASGARI H.; TOROGHINEZHAD M.R.; GOLAZAR M.A.

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Journal: IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING Year:2007 | Volume:- | Issue:3 Page(s): 25-36

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Title

COMPARISON BETWEEN CORROSION RESISTANCE OF ORDINARY AND SKIN PASSED HOT-DIP GALVANIZED COATING

Author(s)

ASGARI H. | TOROGHINEZHAD M.R. | GOLAZAR M.A. | Issue Writer Certificate

Keywords

HOT-DIP GALVANIZINGQ4

SKINPASS ROLLINGQ3

BASAL TEXTURE COMPONENTQ4

CORROSION RESISTANCEQ3

Abstract

In this study, CORROSION RESISTANCE of ordinary (non-skin passed) and skin passed hot-dip galvanized steel sheets produced in Mobarakeh steel company was compared with each other. For this reason, lead content of the zinc bath was changed from 0.01 wt.% to 0.11wt.% and the CORROSION RESISTANCE of the sheets was analyzed. Also, to study the effects of skin pass rolling on the CORROSION RESISTANCE of the sheets, two skin passed specimens obtained from zinc baths of 0.045 and 0.065 wt.% of lead content were studied. Effect of lead content of the zinc bath and skin pass rolling on (00.2) BASAL TEXTURE COMPONENT were also investigated. Relative intensity of (00.2) BASAL TEXTURE COMPONENT was determined using XRD whilst the corrosion behaviour was analyzed employing Tafel polarization test. Results showed that increasing the lead content of the zinc bath would decrease the CORROSION RESISTANCE and (00.2) BASAL TEXTURE COMPONENT relative intensity of ordinary coating and conversely, increase the spangle size and darkness of the coating surface. Investigation on the effects of skin pass rolling on the galvanized sheets indicated that in this case, relative intensity of (00.2) BASAL TEXTURE COMPONENT and spangle size have been decreased and some cracks created in the coating. In addition, it was seen that the CORROSION RESISTANCE of skin passed specimens, in comparison with ordinary specimens, has been decreased.

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APA: Copy

ASGARI, H., TOROGHINEZHAD, M.R., & GOLAZAR, M.A.. (2007). COMPARISON BETWEEN CORROSION RESISTANCE OF ORDINARY AND SKIN PASSED HOT-DIP GALVANIZED COATING. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, -(3), 25-36. SID. https://sid.ir/paper/120984/en

Vancouver: Copy

ASGARI H., TOROGHINEZHAD M.R., GOLAZAR M.A.. COMPARISON BETWEEN CORROSION RESISTANCE OF ORDINARY AND SKIN PASSED HOT-DIP GALVANIZED COATING. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING[Internet]. 2007;-(3):25-36. Available from: https://sid.ir/paper/120984/en

IEEE: Copy

H. ASGARI, M.R. TOROGHINEZHAD, and M.A. GOLAZAR, “COMPARISON BETWEEN CORROSION RESISTANCE OF ORDINARY AND SKIN PASSED HOT-DIP GALVANIZED COATING,” IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, vol. -, no. 3, pp. 25–36, 2007, [Online]. Available: https://sid.ir/paper/120984/en

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