Effect of the hydroxyapatite particle size on the properties of sprayed coating

被引：12

作者：

Su, Yangyang ^{[1
]}

Li, Kezhi ^{[1
]}

Zhang, Leilei ^{[1
]}

Wang, Changcong ^{[1
]}

Zhang, Yunpeng ^{[1
]}

机构：

[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2018年 / 352卷

基金：

中国国家自然科学基金;

关键词：

Hydroxyapatite (HA) coating; Supersonic atmospheric plasma spraying (SAPS); Carbon/carbon (C/C) substrate; Particle size; CALCIUM-PHOSPHATE COATINGS; CARBON/CARBON COMPOSITES; MECHANICAL-PROPERTIES; PLASMA; TITANIUM; ELECTRODEPOSITION; TEMPERATURE; BIOACTIVITY; DEPOSITION; POWDER;

D O I：

10.1016/j.surfcoat.2018.08.052

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Preparation of hydroxyapatite (HA) coatings by supersonic atmospheric plasma spraying (SAPS) method on carbon/carbon (C/C) substrate has great potential application in biomedical fields. In this paper, surface morphology, particle distribution, phases, thermogravimetric analysis (TG)/differential scanning calorimetric (DSC) tests, bonding strength and bioactivity of the sprayed coatings fabricated by using different HA particle sizes including micron and nanoscale are discussed. The practical implication of the results shows that the micro-crack on nanoscale HA coating reduces. The crack width and decomposed phase also lower. Bonding strength between sprayed nanoscale HA coating and C/C substrate is increased by 63.80% compared with that of sprayed micron HA coating and the coating still has biological activity in stimulated body fluid (SBF) solution.

引用

页码：619 / 626

页数：8

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