Properties of oxide-hydroxide sintered ceramics

4th International Conference on Competitive Materials and Technology Processes

Levkov, R.V.^1,2 ; Kulkov, S.N.^1,2

Institute of High Technology Physics, Tomsk Polytechnic University, Tomsk

634034, Russia^1

Laboratory of Physics of Nanostructured Functional Materials, Institute of Strength Physics and Materials Science SB RAS, Tomsk

634055, Russia^2

关键词: Alumina ceramic;    Bone implant;    Bone matrix;    Hydroxide concentration;    Pore formation;    Porous ceramics;    Sintered ceramics;    Sintering temperatures;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/175/1/012045/pdf
DOI  :  10.1088/1757-899X/175/1/012045

来源: IOP

【 摘 要 】

In this paper the study of porous ceramics obtained from aluminum hydroxide with gibbsite modification is presented. It was shown that aluminum hydroxide may be used for pore formation and pore volume in the sintered ceramics can be controlled by varying the aluminum hydroxide concentration and sintering temperature. It was shown that compressive strength of alumina ceramics increases by 40 times with decreasing the pore volume from 65 to 15%. Based on these results one can conclude that the obtained structure is very close to inorganic bone matrix and can be used as promising material for bone implants production.