Effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology
Cobalt–chromium (Co–Cr)-based alloys have been used extensively as medical implants, but the ion release and the corrosion products can affect their mechanical integrity and biocompatibility. One of the solutions is to surface coat the substrate with hydroxyapatite via electrophoretic deposition tec...
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Springer Verlag
2016
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my.utm.692712017-11-22T00:45:14Z http://eprints.utm.my/id/eprint/69271/ Effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology Shirdar, Mostafa Rezazadeh Izman, Sudin Taheri, Mohammad Mahdi Assadian, Mahtab Abdul Kadir, Mohammed Rafiq TJ Mechanical engineering and machinery Cobalt–chromium (Co–Cr)-based alloys have been used extensively as medical implants, but the ion release and the corrosion products can affect their mechanical integrity and biocompatibility. One of the solutions is to surface coat the substrate with hydroxyapatite via electrophoretic deposition technique. Two variables—pH of electrolyte and current density—were used to examine the electrochemical behavior of the coated sample. An experimental strategy was developed based on the response surface methodology together with the analysis of variance to verify the precision of the mathematical models and their relative parameters. Close agreement was observed between the predicted models and the experimental results. The pH value of electrolyte was a more significant factor than current density in increasing the corrosion potential (Ecorr) of the substrate. The maximum Ecorr was obtained with a current density of 12 mA cm−2 and a pH value of 4.71. Springer Verlag 2016 Article PeerReviewed Shirdar, Mostafa Rezazadeh and Izman, Sudin and Taheri, Mohammad Mahdi and Assadian, Mahtab and Abdul Kadir, Mohammed Rafiq (2016) Effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology. Arabian Journal for Science And Engineering, 41 (2). pp. 591-598. ISSN 1319-8025 http://dx.doi.org/10.1007/s13369-015-1700-3 DOI:10.1007/s13369-015-1700-3 |
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TJ Mechanical engineering and machinery Shirdar, Mostafa Rezazadeh Izman, Sudin Taheri, Mohammad Mahdi Assadian, Mahtab Abdul Kadir, Mohammed Rafiq Effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology |
| description |
Cobalt–chromium (Co–Cr)-based alloys have been used extensively as medical implants, but the ion release and the corrosion products can affect their mechanical integrity and biocompatibility. One of the solutions is to surface coat the substrate with hydroxyapatite via electrophoretic deposition technique. Two variables—pH of electrolyte and current density—were used to examine the electrochemical behavior of the coated sample. An experimental strategy was developed based on the response surface methodology together with the analysis of variance to verify the precision of the mathematical models and their relative parameters. Close agreement was observed between the predicted models and the experimental results. The pH value of electrolyte was a more significant factor than current density in increasing the corrosion potential (Ecorr) of the substrate. The maximum Ecorr was obtained with a current density of 12 mA cm−2 and a pH value of 4.71. |
| format |
Article |
| author |
Shirdar, Mostafa Rezazadeh Izman, Sudin Taheri, Mohammad Mahdi Assadian, Mahtab Abdul Kadir, Mohammed Rafiq |
| author_facet |
Shirdar, Mostafa Rezazadeh Izman, Sudin Taheri, Mohammad Mahdi Assadian, Mahtab Abdul Kadir, Mohammed Rafiq |
| author_sort |
Shirdar, Mostafa Rezazadeh |
| title |
Effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology |
| title_short |
Effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology |
| title_full |
Effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology |
| title_fullStr |
Effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology |
| title_full_unstemmed |
Effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology |
| title_sort |
effect of electrophoretic deposition parameters on the corrosion behavior of hydroxyapatite-coated cobalt-chromium using response surface methodology |
| publisher |
Springer Verlag |
| publishDate |
2016 |
| url |
http://eprints.utm.my/id/eprint/69271/ http://dx.doi.org/10.1007/s13369-015-1700-3 |
| _version_ |
1643656046202322944 |
| score |
13.251813 |