Characterization and blood compatibility of TiCxN1-x hard coating prepared by plasma electrolytic carbonitriding

被引：34

作者：

Dong, Yan-Xia

Chen, Ya-Shao ^{[1
]}

Chen, Qiang

Liu, Bo

Song, Zhong-Xiao

机构：

[1] Shaanxi Normal Univ, Minist Educ, Sch Chem & Mat Sci, Key Lab Appl Surface & Colloid Chem, Xian 710062, Peoples R China

[2] Beijing Inst Graph Commun, Beijing Area Major Lab, Lab Printing & Packing Mat & Technol, Beijing 102600, Peoples R China

[3] Xian Jiaotong Univ, State Key Mech Behav Mat, Xian 710049, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2007年 / 201卷 / 21期

基金：

中国国家自然科学基金;

关键词：

plasma electrolytic carbonitriding; TiCxN1-x coating; blood compatibility;

D O I：

10.1016/j.surfcoat.2007.05.097

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A novel technique to form Ti(C, N) on titanium, named as plasma electrolytic carbonitriding (PECN) on cathode was successful used to prepare TiCxN1-x coating. The structure, composition and morphology of the coating were characterized by XRD, XPS and SEM, respectively. The results indicated that TiC0.3N0.7 as a new species appears on the surface of the titanium plate, and the thickness of the coating with porous surface morphology increases with the treated time. The blood compatibility of the TiC0.3N0.7 coating was evaluated by haemolysis ratios, dynamic blood clotting test, plasma recalcification time and platelet adhesion. The results indicated that the blood compatibility of the plasmatreated titanium with TiCxN1-x coating is significantly improved as compared to the original titanium. Additionally, the results derived from measurements of hardness and corrosion indicated that the coating has excellent mechanical and corrosion-resistant properties. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：8789 / 8795

页数：7

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