Abstract
Functional gradient biomaterials have been widely applied in the biomedical field due to their designable structure and performance. In this paper, hydroxyapatite-titanium particles hierarchical filled polyetheretherketone functional gradient biocomposites [(HA-Ti)/PEEK FGBm] were successfully fabricated through combination of a layer-by-layer casting method and hot pressing technology. The microstructure and morphology of the FGBm were investigated by X-ray diffraction (XRD), Fourier transform infrared (FTIR), energy dispersive X-ray analysis spectrometry (EDS) and scanning electron microscopy (SEM). The results of XRD and EDS verified that the components of the FGBm consist of HA, Ti and PEEK. FTIR and SEM studies showed that the existence of TiO2 thin film on the surface of Ti particles was beneficial to improve the wettability of Ti particles to the PEEK matrix, thus increasing the interfacial bonding strength between Ti particles and PEEK matrix. The SEM observation revealed that the size of HA particles in (HA-Ti)/PEEK FGBm was on the nano-scale and that of Ti particles was on the micron-scale. Furthermore, several typical microstructures such as micro-pores, dimple-like, and encapsulated-like morphologies in (HA-Ti)/PEEK FGBm were observed by SEM. With the rise of Ti and HA particle content in PEEK matrix, the distribution of them in PEEK matrix becomes more and more inhomogeneous and they tend to agglomerate.
Acknowledgments
This work was supported by the National Natural Science Foundation of China (grant no. 51175004).
References
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Material properties
- Effects of nano-silicon dioxide surface modification on the morphology and mechanical properties of ABS/PMMA blends
- Efficient enhancement in polyethylene biodegradation as a consequence of oxidative fragmentation promoted by pro-oxidant/pro-degradant metal stearate
- Some effects of radiation treatment of biodegradable PCL/PLA blends
- Kaolinite dispersion in cassava starch-based composite films: a photonic microscopy and X-ray tomography study
- Preparation and assembly
- Preparation of hydroxyapatite-titanium particle hierarchical filled polyetheretherketone functional gradient biocomposites
- Engineering and processing
- Melt processing of high alcoholysis poly(vinyl alcohol) with different polyol plasticizers
- Selective laser melting of polymers: influence of powder coating on mechanical part properties
- Electrochemical treatment of metal inserts for subsequent assembly injection molding of tight electronic systems
- Polypropylene/polyethylene two-layered by one-step rotational molding
- Analysis of the process influences on injection molded thermosets filled with hollow glass bubbles
- In situ simultaneous measurement of stress, retardation, and three-dimensional refractive indexes during biaxial stretching experiments under various preheating times
Artikel in diesem Heft
- Frontmatter
- Material properties
- Effects of nano-silicon dioxide surface modification on the morphology and mechanical properties of ABS/PMMA blends
- Efficient enhancement in polyethylene biodegradation as a consequence of oxidative fragmentation promoted by pro-oxidant/pro-degradant metal stearate
- Some effects of radiation treatment of biodegradable PCL/PLA blends
- Kaolinite dispersion in cassava starch-based composite films: a photonic microscopy and X-ray tomography study
- Preparation and assembly
- Preparation of hydroxyapatite-titanium particle hierarchical filled polyetheretherketone functional gradient biocomposites
- Engineering and processing
- Melt processing of high alcoholysis poly(vinyl alcohol) with different polyol plasticizers
- Selective laser melting of polymers: influence of powder coating on mechanical part properties
- Electrochemical treatment of metal inserts for subsequent assembly injection molding of tight electronic systems
- Polypropylene/polyethylene two-layered by one-step rotational molding
- Analysis of the process influences on injection molded thermosets filled with hollow glass bubbles
- In situ simultaneous measurement of stress, retardation, and three-dimensional refractive indexes during biaxial stretching experiments under various preheating times