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- W1536276965 endingPage "1810" @default.
- W1536276965 startingPage "1803" @default.
- W1536276965 abstract "Novel biomaterials are of prime importance in tissue engineering. Here, we developed novel nanostructured Al2TiO5–Al2O3–TiO2 composite as a biomaterial for bone repair. Initially, nanocrystalline Al2O3–TiO2 composite powder was synthesized by a sol–gel process. The powder was cold compacted and sintered at 1300–1500 °C to develop nanostructured Al2TiO5–Al2O3–TiO2 composite. Nano features were retained in the sintered structures while the grains showed irregular morphology. The grain-growth and microcracking were prominent at higher sintering temperatures. X-ray diffraction peak intensity of β-Al2TiO5 increased with increasing temperature. β-Al2TiO5 content increased from 91.67% at 1300 °C to 98.83% at 1500 °C, according to Rietveld refinement. The density of β-Al2TiO5 sintered at 1300 °C, 1400 °C and 1500 °C were computed to be 3.668 g cm−3, 3.685 g cm−3 and 3.664 g cm−3, respectively. Nanocrystalline grains enhanced the flexural strength. The highest flexural strength of 43.2 MPa was achieved. Bioactivity and biomechanical properties were assessed in simulated body fluid. Electron microscopy confirmed the formation of apatite crystals on the surface of the nanocomposite. Spectroscopic analysis established the presence of Ca and P ions in the crystals. Results throw light on biocompatibility and bioactivity of β-Al2TiO5 phase, which has not been reported previously." @default.
- W1536276965 created "2016-06-24" @default.
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- W1536276965 date "2010-12-01" @default.
- W1536276965 modified "2023-10-11" @default.
- W1536276965 title "Al2TiO5–Al2O3–TiO2 nanocomposite: Structure, mechanical property and bioactivity studies" @default.
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- W1536276965 doi "https://doi.org/10.1016/j.materresbull.2010.09.017" @default.
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