Preparation and Study of Porous Ceramics Based on Zirconium Dioxide for Endoprosthesis


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Abstract

A strong highly porous ceramic for endoprosthesis possessing open porosity and elasticity modulus values similar to those of bone tissue is prepared through the solid-phase sintering of specimens of the initial powders of the (ZrO2)0.97(Y2O3)0.03 and [(ZrO2)0.97(Y2O3)0.03]0.8(Al2O3)0.2 compositions with blowing agents. The dependence of the characteristics of the sintered ceramics on the composition of zirconium-containing powders and blowing agents is investigated.

About the authors

N. Yu. Koval’ko

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: kovalko.n.yu@gmail.com
Russian Federation, St. Petersburg, 199034

M. A. Ponomareva

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences; St. Petersburg State Technological University (Technical University)

Email: kovalko.n.yu@gmail.com
Russian Federation, St. Petersburg, 199034; St. Petersburg, 190013

T. V. Khamova

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences

Email: kovalko.n.yu@gmail.com
Russian Federation, St. Petersburg, 199034

A. S. Dolgin

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences; St. Petersburg State Technological University (Technical University)

Email: kovalko.n.yu@gmail.com
Russian Federation, St. Petersburg, 199034; St. Petersburg, 190013

M. V. Kalinina

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences

Email: kovalko.n.yu@gmail.com
Russian Federation, St. Petersburg, 199034

O. A. Shilova

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences; St. Petersburg State Technological University (Technical University); St. Petersburg State Electrotechnical University LETI

Email: kovalko.n.yu@gmail.com
Russian Federation, St. Petersburg, 199034; St. Petersburg, 190013; St. Petersburg, 197376

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