Effect of Ca2+ additives on morphology, composition and corrosion resistant of Zn–12%Ni phosphate coating | Zendy

Hafez Alizadeh | Zendy; Amir Hanaei | Zendy; Amirhossein Pakseresht | Zendy; Armita Shahbazkhan | Zendy; Naghi Parvini Ahmadi | Zendy; Fazel Baniasadi | Zendy

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Effect of Ca2+ additives on morphology, composition and corrosion resistant of Zn–12%Ni phosphate coating

Author(s) -

Hafez Alizadeh,

Amir Hanaei,

Amirhossein Pakseresht,

Armita Shahbazkhan,

Naghi Parvini Ahmadi,

Fazel Baniasadi

Publication year - 2016

Publication title -

journal of materials research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.832

H-Index - 44

eISSN - 2214-0697

pISSN - 2238-7854

DOI - 10.1016/j.jmrt.2016.03.003

Subject(s) - materials science , corrosion , coating , phosphate , morphology (biology) , composition (language) , metallurgy , chemical engineering , conversion coating , nanotechnology , organic chemistry , chemistry , linguistics , philosophy , biology , engineering , genetics

The aim of this study is to investigate the effect of phosphate solution with Ca2+ additives on weight, surface morphology and electrochemical behavior of phosphated Zn–Ni film. In order to characterize structure and morphology of surface, X-ray diffraction (XRD) and scanning electron microscopy (SEM) were applied, respectively. Results showed that the main composition in produced coatings was hopeite Zn3(PO4)2·4H2O, which has high corrosion resistance. On one hand, in the presence of Ca2+ cations in solution, the weight of phosphate coating decreased, but on the other hand surface uniformity and corrosion resistance of the coating increased

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