Preparation and Microstructure of Biomorphic Hydroxyapatite Using Extracted Beech Wood Template

Guang Ya Hou; Zhi Hao Jin; Jun Min Qian; Guo Qu Zheng

doi:10.4028/www.scientific.net/MSF.724.378

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HomeMaterials Science ForumMaterials Science Forum Vol. 724Preparation and Microstructure of Biomorphic...

Preparation and Microstructure of Biomorphic Hydroxyapatite Using Extracted Beech Wood Template

Abstract:

Biomorphic hydroxyapatite (Bio-HA) was fabricated using extracted beech wood that was impregnated with HA sol followed by sintering at 600~1300 °C for 2 hours. The extraction using boiling 5% ammonia solution was helpful to bring more pores to benefit to impregnation of the HA sol into wood templates. The weight changes of the exacted wood sample with HA gel, phase formation and microstructures evolution of resulting products were investigated by TGA, XRD and SEM. The main weight loss occurred below 600 °C. The biomorphic HA sintered at 1100~1300 °C were three dimensions and connective pores structure, in which the main tracheid pores with diameter of 60~80 μm derived from beech wood template and the small pores with 1~8 μm in the strut walls resulted from the sintering process. Bio-HA faithfully retained the woods porous structure. The method provided a novel candidate for fabricating a porous scaffold suitable for bone tissue engineering applications.

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Eco-Materials Processing and Design XIII

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Materials Science Forum (Volume 724)

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378-381

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.724.378

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Online since:

June 2012

Authors:

Guang Ya Hou, Zhi Hao Jin, Jun Min Qian, Guo Qu Zheng

Keywords:

Biomorphic, Hydroxyapatite (HAP), Microstructure, Preparation, Sol-Gel (SG)

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