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Deposition and Biological Evaluation of Ta Coating on Porous SiC Scaffold for Orthopedic Application
Xie, Hui; Yu, Xiao-Ming; Wang, Ben-Jie; Yang, Ja-Hui; Qin, Kai-Rong; Zhao, De-Wei
2019-10-01
Source PublicationSCIENCE OF ADVANCED MATERIALS
ISSN1947-2935
Volume11Issue:10Pages:1443-1448
AbstractPorous Tantalum (Ta) is one of ideal orthopedic implant metal which can promote enough osteogenesis in the periphery of implant. Ta coatings were deposited on porous Silicon Carbon (SiC) substrate by chemical vapor deposition (CVD) method to provide a cancellous bone like 3D structure and suitable mechanical property. The biocompatibility of SiC substrate was also improved because of Ta coating. TaCI5 powders was evaporated and reduced by H-2 working as reductant and the carrier gas, and then Ta coating was deposited on SiC scaffold. X-ray diffraction (XRD) results confirmed the deposition of Ta coating. Scanning electron microscopy (SEM) showed that Ta coating penetrated inside the porous structure of SiC substrate. It was found that the deposition temperature strongly affected the surface morphology and mechanical properties. The final samples showed good compatibility between Ta coating and SiC scaffold and suitable compressive strength. Ta-coated porous screws was designed and fabricated, and they were implanted to fix bone fracture. Comparing with Ti scaffolds Ta-coated porous screws demonstrated better osteogenesis property. This design of Ta coated SiC porous material was expected to be used as orthopedics device.
KeywordTa Coating Porous SiC CVD Scaffold
Indexed BySCI
Language英语
WOS IDWOS:000486577400013
PublisherAMER SCIENTIFIC PUBLISHERS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80732
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Xie, Hui,Yu, Xiao-Ming,Wang, Ben-Jie,et al. Deposition and Biological Evaluation of Ta Coating on Porous SiC Scaffold for Orthopedic Application[J]. SCIENCE OF ADVANCED MATERIALS,2019,11(10):1443-1448.
APA Xie, Hui,Yu, Xiao-Ming,Wang, Ben-Jie,Yang, Ja-Hui,Qin, Kai-Rong,&Zhao, De-Wei.(2019).Deposition and Biological Evaluation of Ta Coating on Porous SiC Scaffold for Orthopedic Application.SCIENCE OF ADVANCED MATERIALS,11(10),1443-1448.
MLA Xie, Hui,et al."Deposition and Biological Evaluation of Ta Coating on Porous SiC Scaffold for Orthopedic Application".SCIENCE OF ADVANCED MATERIALS 11.10(2019):1443-1448.
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