Bakhsheshi-Rad, Hamid Reza and Hamzah, Esah and Saud, Safaa Najah and Medraj, Mamoun (2015) Effect of electrodeposition parameters on the microstructure and corrosion behavior of DCPD coatings on biodegradable Mg-Ca-Zn alloy. International Journal of Applied Ceramic Technology, 12 (5). pp. 1054-1064. ISSN 1546-542X
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Official URL: htpp://dx.doi.org/10.1111/ijac.12301
Abstract
In this study, DCPD (Brushite, CaHPO4.2H2O) coatings were prepared on the surface of a Mg-Ca-Zn alloy using different current density (0.15-1.2 mA/cm2) and deposition time (5-90 min). The results revealed that DCPD with needle-like morphology was observed for the current density between 0.15 and 0.4 mA/cm2, whereas plate-like morphology was obtained at current density above 0.8 mA/cm2. The results showed that surface roughness increased with increasing current density. The lowest corrosion rate of 0.14 mm/year was obtained for the dense and uniform DCPD coating at 0.4 mA/cm2, while further increase has deleterious effect on the corrosion resistance.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | calcium, coatings, corrosion, corrosion rate, corrosion resistance, current density, |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Mechanical Engineering |
| ID Code: | 58366 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 04 Dec 2016 04:07 |
| Last Modified: | 13 Dec 2021 03:41 |
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