STUDY OF THE CORROSION RESISTANCE OF ZN AND ZN-CO ALLOY ELECTRODEPOSITS OBTAINED FROM ALKALINE BATH USING DIRECT CURRENT

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HEYDARI GHARAHCHESHMEH M.; HEYDARZADEH SOHI M.

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Journal: IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING Year:2011 | Volume:- | Issue:10 Page(s): 51-60

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Title

STUDY OF THE CORROSION RESISTANCE OF ZN AND ZN-CO ALLOY ELECTRODEPOSITS OBTAINED FROM ALKALINE BATH USING DIRECT CURRENT

Author(s)

HEYDARI GHARAHCHESHMEH M. | HEYDARZADEH SOHI M. | Issue Writer Certificate

Keywords

ZN-COQ2

ELECTRODEPOSITIONQ3

GRAIN SIZEQ2

PHASE COMPOSITIONQ2

CORROSION RESISTANCEQ2

Abstract

The corrosion behavior of Zn and ZN-CO alloy electrodeposits that were obtained from weakly alkaline glycine solutions has been studied. SEM, EDS and XRD were used to study of surface morphology, chemical composition and phase structure of the coatings. Corrosion behavior of Zn and ZN-CO alloy coatings were studied by Tafel polarization experiment in 3.5 wt.% NaCl solution. The results showed that increasing of current density during deposition, increases cobalt content of the coating. It was also shown that increasing of current density, up to a value, decreases the GRAIN SIZE and further increase in current density increases GRAIN SIZE of the deposit. It was also noticed that CORROSION RESISTANCE of deposits were highly influenced by the composition and morphology of the coatings. ZN-CO deposit containing 0.87 wt.% Co showed the highest CORROSION RESISTANCE due to its single phase and finer structure.

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APA: Copy

HEYDARI GHARAHCHESHMEH, M., & HEYDARZADEH SOHI, M.. (2011). STUDY OF THE CORROSION RESISTANCE OF ZN AND ZN-CO ALLOY ELECTRODEPOSITS OBTAINED FROM ALKALINE BATH USING DIRECT CURRENT. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, -(10), 51-60. SID. https://sid.ir/paper/121084/en

Vancouver: Copy

HEYDARI GHARAHCHESHMEH M., HEYDARZADEH SOHI M.. STUDY OF THE CORROSION RESISTANCE OF ZN AND ZN-CO ALLOY ELECTRODEPOSITS OBTAINED FROM ALKALINE BATH USING DIRECT CURRENT. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING[Internet]. 2011;-(10):51-60. Available from: https://sid.ir/paper/121084/en

IEEE: Copy

M. HEYDARI GHARAHCHESHMEH, and M. HEYDARZADEH SOHI, “STUDY OF THE CORROSION RESISTANCE OF ZN AND ZN-CO ALLOY ELECTRODEPOSITS OBTAINED FROM ALKALINE BATH USING DIRECT CURRENT,” IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, vol. -, no. 10, pp. 51–60, 2011, [Online]. Available: https://sid.ir/paper/121084/en

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