Calcium Phosphate Foam Ceramic Based on Hydroxyapatite–Brushite Powder Mixture


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Abstract

The introduction of 10 – 50% (by weight) brushite powder, preheated at 50° and then fired at 1200°C, into a permeating suspension based on hydroxyapatite powder heat-treated at 800°C results in partial decomposition of hydroxyapatite to the α- and β-modifications of tricalcium phosphate. The presence of a tricalcium phosphate phase in calcium phosphate foam ceramic promotes an increase of the porosity from 40 to 60% and the resorption with significant static strength reduction from 3 – 7 to 0.3 MPa.

About the authors

V. K. Krut’ko

Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus

Author for correspondence.
Email: tsuber@igic.bas-net.by
Belarus, Minsk

A. I. Kulak

Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus

Email: tsuber@igic.bas-net.by
Belarus, Minsk

O. N. Musskaya

Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus

Email: tsuber@igic.bas-net.by
Belarus, Minsk

T. V. Safronova

M. V. Lomonosov Moscow State University

Email: tsuber@igic.bas-net.by
Russian Federation, Moscow

V. I. Putlyaev

M. V. Lomonosov Moscow State University

Email: tsuber@igic.bas-net.by
Russian Federation, Moscow

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