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Study on the Biomimetic Properties of Bone Substitute Material: Nanohydroxyapatite/Polyamide 66 Composite

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Abstract:

To compare with the human cortical bone, the biomimetic properties of nano-hydroxyapatite/polyamide 66 composite (n-HA/PA66) were preliminarily studied qualitatively and quantitatively with TEM, XRD in crystal morphology, phase composition and crystal structure. A series of structure parameters such as cell lattice parameters (a and c), mean crystallite size and micro-strain were calculated to characterize quantitatively the microstructure of n-HA/PA66 and human cortical bone at the atomic level. The results show that n-HA/PA66 is a good biomimetic biomaterial. But there still are some differences between n-HA/PA66 and human cortical bone. Compared to human cortical bone, the crystal microstructure of n-HA/PA66 is denser, the crystal lattice of n-HA is more perfect and the distortion of crystal lattice decreases.

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Periodical:

Materials Science Forum (Volumes 510-511)

Pages:

938-941

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.510-511.938

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Online since:

March 2006

Authors:

Lan Wu, Yu Bao Li, Yi Zuo, Li Zhang, Wei Hu Yang, Yuan Hua Mu

Keywords:

Biomimetic, Crystal Structure, Human Cortical Bone, Nanohydroxyapatite (HA), Polyamide 66

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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