Investigation and Optimization of Ni-P-Zn Electroless Alloy Coatings, M.Sc. Thesis Sharif University of Technology ; karam, SaeedAllah (Supervisor) ; Dolati, Abolghasem (Supervisor)
Abstract
An optimization condition for obtaining Ni-Zn-P electroless alloy coating has been developed. The sulphate bath with sodium hypophosphate as a reducer and sodium citrate and ammonium chloride as complexing agents were used. The effect of variation in the pH level , temperature , time of deposition and reactants concentration on stability of bath, coating composition, microstructure, microhardness and corrosion resistance of coatings was investigated. The composition of coatings was obtained by using the EDAX analysis. To investigate coating morphology, SEM images were taken and to study the corrosion behavior of coatings potentidynamic polarization, Electrochemical Impedance Spectroscopy...
Cataloging briefInvestigation and Optimization of Ni-P-Zn Electroless Alloy Coatings, M.Sc. Thesis Sharif University of Technology ; karam, SaeedAllah (Supervisor) ; Dolati, Abolghasem (Supervisor)
Abstract
An optimization condition for obtaining Ni-Zn-P electroless alloy coating has been developed. The sulphate bath with sodium hypophosphate as a reducer and sodium citrate and ammonium chloride as complexing agents were used. The effect of variation in the pH level , temperature , time of deposition and reactants concentration on stability of bath, coating composition, microstructure, microhardness and corrosion resistance of coatings was investigated. The composition of coatings was obtained by using the EDAX analysis. To investigate coating morphology, SEM images were taken and to study the corrosion behavior of coatings potentidynamic polarization, Electrochemical Impedance Spectroscopy...
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