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学科主题口腔医学
Surface characteristics and corrosion behaviour of WE43 magnesium alloy coated by SiC film
Li, M.1; Cheng, Y.1; Zheng, Y. F.1,2; Zhang, X.1; Xi, T. F.1; Wei, S. C.1,3,4
关键词WE43 alloy SiC film PECVD Corrosion Hemocompatibility
刊名APPLIED SURFACE SCIENCE
2012-01-15
DOI10.1016/j.apsusc.2011.11.040
258期:7页:3074-3081
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]Chemistry ; Materials Science ; Physics
关键词[WOS]AMORPHOUS-SILICON CARBIDE ; SIMULATED BODY-FLUID ; CHEMICAL-VAPOR-DEPOSITION ; CORONARY-ARTERIES ; INTRAVASCULAR ULTRASOUND ; BIOMEDICAL APPLICATIONS ; MG ; PLATELET ; STENTS ; PECVD
英文摘要

Amorphous SiC film has been successfully fabricated on the surface of WE43 magnesium alloy by plasma enhanced chemical vapour deposition (PECVD) technique. The microstructure and elemental composition were analyzed by transmission electron microscopy (TEM), glancing angle X-ray diffraction (GAXRD) and X-ray photoelectron spectroscopy (XPS), respectively. The immersion test indicated that SiC film could efficiently slow down the degradation rate of WE43 alloy in simulated body fluid (SBF) at 37 +/- 1 degrees C. The indirect toxicity experiment was conducted using L929 cell line and the results showed that the extraction medium of SiC coated WE43 alloys exhibited no inhibitory effect on L929 cell growth. The in vitro hemocompatibility of the samples was investigated by hemolysis test and blood platelets adhesion test, and it was found that the hemolysis rate of the coated WE43 alloy decreased greatly, and the platelets attached on the SiC film were slightly activated with a round shape. It could be concluded that SiC film prepared by PECVD made WE43 alloy more appropriate to biomedical application. (C) 2011 Elsevier B. V. All rights reserved.

语种英语
WOS记录号WOS:000299162300139
引用统计
被引频次:41[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/59628
专题北京大学口腔医学院
作者单位1.Peking Univ, Acad Adv Interdisciplinary Studies, Ctr Biomed Mat & Tissue Engn, Beijing 100871, Peoples R China
2.Peking Univ, Coll Engn, Dept Adv Mat & Nanotechnol, Beijing 100871, Peoples R China
3.Peking Univ, Sch Stomatol, Dept Oral & Maxillofacial Surg, Beijing 100871, Peoples R China
4.Peking Univ, Hosp Stomatol, Dept Oral & Maxillofacial Surg, Beijing 100871, Peoples R China
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Li, M.,Cheng, Y.,Zheng, Y. F.,et al. Surface characteristics and corrosion behaviour of WE43 magnesium alloy coated by SiC film[J]. APPLIED SURFACE SCIENCE,2012,258(7):3074-3081.
APA Li, M.,Cheng, Y.,Zheng, Y. F.,Zhang, X.,Xi, T. F.,&Wei, S. C..(2012).Surface characteristics and corrosion behaviour of WE43 magnesium alloy coated by SiC film.APPLIED SURFACE SCIENCE,258(7),3074-3081.
MLA Li, M.,et al."Surface characteristics and corrosion behaviour of WE43 magnesium alloy coated by SiC film".APPLIED SURFACE SCIENCE 258.7(2012):3074-3081.
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