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Design and characterization of bioceramic coating
materials for Ti6Al4V |
| Qiang WEI1,Zhen-Duo CUI1,Xian-Jin YANG1,Lian-Yun ZHANG2,Jia-Yin DENG2, |
| 1.Tianjin Key Laboratory
of Composite and Functional Materials, School of Materials Science
and Engineering, Tianjin University, Tianjin 300072, China; 2.School of Dentistry,
Tianjin Medical University, Tianjin 300070, China; |
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Abstract Novel bioceramics used as coating materials for Ti6Al4V were designed and characterized by adjusting the thermal expansion coefficient. The results show that the thermal expansion coefficient (α) of 6PM-B5-F4 coating is 10.1×10−6/°C, which matched that of Ti6Al4V. The bonding strength between the alloy and 6PM-B5-F4 coating was further measured by the longitudinal pull-off test. The in vitro response of the bioceramic was studied by immersing the specimens in simulated body fluid (SBF). The bioceramic morphology and structure were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD) and Fourier transformed infrared spectroscopy (FTIR).
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| Keywords
Ti6Al4V
bioceramic
bonding strength
thermal expansion coefficient
bioactivity
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Issue Date: 05 June 2010
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