Atmospheric plasma sprayed silica-hydroxyapatite coatings on magnesium alloy substrates

被引：53

作者：

Bogya, Erzsebet Sara ^{[1
,2
]}

Karoly, Zoltan ^{[3
]}

Barabas, Reka ^{[4
]}

机构：

[1] Univ Babes Bolyai, Fac Chem & Chem Engn, Dept Chem Engn, RO-400028 Cluj Napoca, Romania

[2] MTA SZTE Lendulet Porous Nanocomposites Res Grp, H-6720 Szeged, Hungary

[3] Hungarian Acad Sci, Inst Mat & Environm Chem, Res Ctr Nat Sci, H-1117 Budapest, Hungary

[4] Univ Babes Bolyai, Fac Chem & Chem Engn, Dept Chem & Chem Engn Hungarian Line Study, RO-400028 Cluj Napoca, Romania

来源：

CERAMICS INTERNATIONAL | 2015年 / 41卷 / 04期

关键词：

Silica-hydroxyapatite; Plasma spraying; Magnesium alloy; Bio-protective coating; CALCIUM-PHOSPHATE COATINGS; CORROSION BEHAVIOR; DEPOSITION; IMPLANTS; MICROSTRUCTURE; DEGRADATION; FABRICATION; HA;

D O I：

10.1016/j.ceramint.2015.01.041

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

081705 [工业催化]; 082905 [生物质能源与材料];

摘要：

Silica-doped hydroxyapatite as a bioactive coating presents some advantages compared to the pure one, such as: increased in vivo bioactivity and early bone ingrowth. The aim of this study is to obtain a deposition of silica-doped hydroxyapatite on magnesium alloy plates by atmospheric plasma spraying. The coating material was prepared by a precipitation method with sodium silicate addition as a source of silica, and various methods were used to characterize it. Spraying conditions including powder feed rate and current values were varied. The coating properties were defined by determining the purity, phase composition, morphology and corrosion protection of the HAP-Si deposits on the magnesium plates. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：6005 / 6012

页数：8

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