Titanium nitride coating of cobalt chromium coronary stents: A SEM-EDS analysis

被引：0

作者：

Peruzzo, L. ^{[1
]}

Tateo, F. ^{[1
]}

Ravaglioli, Antonio ^{[2
]}

Maresta, A. ^{[3
]}

Marras, L. ^{[4
]}

Shehata, N. ^{[4
]}

机构：

[1] IGG-CNR, Padova, Italy

[2] Ceramic Science and Technology, Faenza (RA), Italy

[3] Cardiology Dept. Maria Cecilia Group, Cotignola (RA), Italy

[4] IBS S.p.a., Trieste, Italy

来源：

InterCeram: International Ceramic Review | 2010年 / 59卷 / 02期

关键词：

Biocompatibility - Cobalt - Defects - Tin - Stents - Titanium nitride - Coatings - Deposition;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Closed field unbalanced magnetron sputter (CFUBMSIP) was used for the deposition of titanium nitride (TiN) biocompatible coatings on Co-Cr-based coronary stents. Scanning electron microscopy systems have been used to improve the overall quality of the coatings. The main defects of the early coating products have been classified according to their microscopic features and distribution. The main defects are controlled by the mechanical stress fields (crimping and expansion) and by the very complex shape of the stent. The SEM study enabled to trace the improvement in the quality of the coating.

引用

页码：95 / 97

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