Fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations
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2020
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my.unimap-686232020-11-05T04:03:18Z Fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations Mohd Amin, Farhan Zaludin Zul Azhar, Zahid Jamal Mohd Nazree, Derman Mohd Zaheruddin, Kasmuin aminzaludin90@yahoo.com Magnesium Calcium phosphate coating Chemical conversion coating Link to publisher's homepage at https://www.sciencedirect.com/ The main objective of the current work was to fabricate calcium phosphate (CaP) coating on 99.9% purity magnesium, Mg substrate through simple chemical conversion method and evaluated the surface properties and corrosion performance of the coated substrates. The chemical conversion method was done by immersing the samples inside primary phosphating bath and followed by secondary treatment in alkaline solutions. The coated samples from the primary (PRI) and secondary (SEC) coating treatment were analyzed from morphological, topographical, and phase analysis aspects. The corrosion behaviour of the coatings inside simulated body fluid was assessed by potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS). The PRI and SEC coated were composed of dicalcium phosphate dehydrate (DCPD) and hydroxyapatite (HA), respectively. Both of the coatings improved the corrosion resistance of the Mg substrate. The corrosion potentials, Ecorr of the coated samples becomes nobler compared to the bare substrates. EIS shows that the polarization resistance, Rp is improved about 40 and 2 times fold for PRI and SEC compared to the uncoated samples. Furthermore, PRI shows better corrosion resistance compared to SEC due to lower porosity along with thicker and better coating coverage. 2020-11-05T04:03:18Z 2020-11-05T04:03:18Z 2018 Article Journal of Materials Research and Technology, vol.8(1), 2019, pages 981-987 2214-0697 (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68623 2238-7854 (print) https://doi.org/10.1016/j.jmrt.2018.06.017 en Elsevier |
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Universiti Malaysia Perlis |
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Malaysia |
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Universiti Malaysia Perlis |
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http://dspace.unimap.edu.my/ |
| language |
English |
| topic |
Magnesium Calcium phosphate coating Chemical conversion coating |
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Magnesium Calcium phosphate coating Chemical conversion coating Mohd Amin, Farhan Zaludin Zul Azhar, Zahid Jamal Mohd Nazree, Derman Mohd Zaheruddin, Kasmuin Fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations |
| description |
Link to publisher's homepage at https://www.sciencedirect.com/ |
| author2 |
aminzaludin90@yahoo.com |
| author_facet |
aminzaludin90@yahoo.com Mohd Amin, Farhan Zaludin Zul Azhar, Zahid Jamal Mohd Nazree, Derman Mohd Zaheruddin, Kasmuin |
| format |
Article |
| author |
Mohd Amin, Farhan Zaludin Zul Azhar, Zahid Jamal Mohd Nazree, Derman Mohd Zaheruddin, Kasmuin |
| author_sort |
Mohd Amin, Farhan Zaludin |
| title |
Fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations |
| title_short |
Fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations |
| title_full |
Fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations |
| title_fullStr |
Fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations |
| title_full_unstemmed |
Fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations |
| title_sort |
fabrication of calcium phosphate coating on pure magnesium substrate via simple chemical conversion coating: surface properties and corrosion performance evaluations |
| publisher |
Elsevier |
| publishDate |
2020 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68623 |
| _version_ |
1698698487064952832 |
| score |
13.222552 |