期刊
出版社
IOP PUBLISHING LTD
DOI: 10.1088/1742-6596/992/1/012034
关键词
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资金
- Towards Intelligent Micro-Bearing Tribological Aspects Program [ImBeing-FP7-PEOPLE-2013-IRSES-612593]
- BAS-NASU Cooperation Agreement
The properties were studied of Ta, Ta2O5 and Ta/Ta2O5 coatings deposited by reactive magnetron sputtering on stainless steel (AISI 316) substrates. The compositional, structural and morphological parameters of the coatings were investigated by means of X-ray photoemission spectroscopy (XPS), energy dispersive X-ray (EDX) spectroscopy, and scanning electron microscopy (SEM). The roughness parameters, adhesion strength, hardness, elastic modulus, and H/E ratio were evaluated by standard techniques. The hardness parameters of the Ta2O5 and Ta/Ta2O5 coatings increased in comparison with pure Ta films, while the relatively low Young's modulus was related to high elastic recovery and high resistance to cracking. The tantalum-based coatings possessed good biomechanical parameters for advanced implant and stent applications.
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