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	Factors affecting the pore size in porous hydroxyapatite produced by stir-froth-polymerization method
	Zhang Jie ; Ning Xiaoshan ; Xiao Qunfang ; Yandg Lei ; Chen Ke-Xin ; Zhou He-ping
	2010-05-10 ; 2010-05-10
关键词	Experimental/ bioceramics calcium compounds mechanical strength permeability phosphorus compounds polymerisation porosity porous materials slurries viscosity/ Ca/sub 10/(PO/sub 4/)/sub 6/(OH)/sub 2/ 60 to 160 micron Reynolds number average cell size viscosity stir speed stir time mechanical strength permeability porosity ceramic powders aqueous slurry mechanical frothing stir-froth polymerization porous hydroxyapatite ceramics/ A8770M Biomedical materials A8120L Preparation of ceramics and refractories A8270K Emulsions and suspensions A6140G Structure of powders and porous materials/ size 6.0E-05 to 1.6E-04 m/ Ca10PO4OH/ss Ca10/ss PO4/ss O4/ss Ca/ss OH/ss H/ss O/ss P/ss
中文摘要	Stir-froth-polymerization is a novel technique for producing highly porous ceramics, in which bubbles are formed by a mechanical frothing in aqueous slurry of ceramic powders. Many work had be done about the porosity, the permeability and the mechanical strength of the porous ceramics derived from this method, but there are still a lot of things remain unclear. This paper focuses on the mechanism of frothing, and the influence of parameters in the mechanical frothing. It was found that the stir time, the stir speed and the viscosity of the slurry have influence on the average cell-size and the distribution of them respectively. The average cell-size can be controlled in the range from 60 to 160 mu m by adjusting the parameters.
语种	英语 ; 英语
出版者	Trans Tech Publications ; Switzerland
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21667]
专题	清华大学
推荐引用方式 GB/T 7714	Zhang Jie,Ning Xiaoshan,Xiao Qunfang,et al. Factors affecting the pore size in porous hydroxyapatite produced by stir-froth-polymerization method[J],2010, 2010.
APA	Zhang Jie,Ning Xiaoshan,Xiao Qunfang,Yandg Lei,Chen Ke-Xin,&Zhou He-ping.(2010).Factors affecting the pore size in porous hydroxyapatite produced by stir-froth-polymerization method..
MLA	Zhang Jie,et al."Factors affecting the pore size in porous hydroxyapatite produced by stir-froth-polymerization method".(2010).

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