Effect of Sr/Mg co-substitution on corrosion resistance properties of hydroxyapatite coated on Ti-6Al-4V dental alloys

被引：12
|
作者：
Kadhim, Mustafa M. [1 ,6 ,7 ]
AlMashhadani, Haider Abdulkareem [2 ]
Hashim, Raid D. [2 ]
Khadom, Anees A. [3 ]
Salih, Khulood Abid [4 ]
Salman, Abbas Washeel [5 ]
机构：
[1] Kut Univ Coll, Dept Dent, Kut 52001, Wasit, Iraq
[2] Al Rasheed Univ Coll, Dent Dept, Baghdad, Iraq
[3] Univ Diyala, Coll Engn, Dept Chem Engn, Diyala, Iraq
[4] Baghdad Univ, Coll Sci, Dept Chem, Baghdad, Iraq
[5] Wasit Univ, Coll Agr, Dept Prod, Wasit, Iraq
[6] Islamic Univ, Coll Tech Engn, Najaf, Iraq
[7] Osol Aldeen Univ Coll, Dept Pharm, Baghdad, Iraq
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2022年 / 161卷
关键词：
Dental materials; Corrosion; Titanium; FTIR; SEM; XRD; ELECTROPHORETIC DEPOSITION; CELLULOSE-ACETATE; TITANIUM; ZN; SR; MG;
D O I：
10.1016/j.jpcs.2021.110450
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This study assessed the effect of co-substitution of strontium (Sr) and magnesium (Mg) ions into the hydroxyapatite (HA) coating which was deposited on Ti-6Al-4V dental alloys by an electrochemical deposition process. The deposited layers were examined using energy-dispersive X-ray spectroscopy, scanning electron microscopy, Fourier transform infrared spectroscopy, atomic force microscopy and X-ray diffraction. The corrosion behavior of Ti-6Al-4V alloys in an artificial saliva environment was studied through potentiodynamic polarization technique and electrochemical impedance spectroscopy. The results indicated that the substituted Sr and Mg ions in HA improved the HA coating, where the protection efficiency percentage (PE%) for Ti-6Al-4V alloys coated with Sr/Mg-HA was higher than for those coated with HA only. Maximum PE% was 74.19% for Ti-6Al-4V alloys coated with Sr/Mg-HA. Coating of the dental Ti-6Al-4V alloys with co-substituted bioactive Sr and Mg ions in HA improved the corrosion resistance properties of the alloys in the saliva environment.
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页数：7
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