Effect of Operating Parameters on Zn-Mn Alloys Deposited from Additive-free Chloride Bath
- Authors: Nouha Loukil1, Mongi Feki2
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View Affiliations Hide Affiliations1 Laboratory of Material Engineering and Environment, ENIS Tunisia, University of Sfax, Sfax, Tunisia 2 Laboratory of Material Engineering and Environment, ENIS-Tunisia, University of Sfax, Sfax, Tunisia
- Source: Mechanical Engineering Technologies and Applications: Volume 1 , pp 62-71
- Publication Date: November 2021
- Language: English
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Zn-Mn electrodeposition from additive-free chloride bath on steel was investigated. Several operating parameters, namely the Mn2 concentration, the current density and the stirring were explored with regard to the Mn content in the Zn matrix. The Mn content depends on the applied current density and jumps from zero to a maximum of 11.4% under 140 mA/cm2. At high current density, Zn-Mn coatings are darker, more dendritic and with bad adhesion to the substrate. The dark appearance of Zn-Mn alloys is linked to oxy/hydroxide inclusions formed into the co-deposits.
Hardbound ISBN:
9789814998192
Ebook ISBN:
9789814998185
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