Magnesium-substituted calcium phosphate cements with (Ca + Mg)/P = 2


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The introduction of magnesium ions into bone calcium phosphate cements (CPCs) increases the strength and biodegradation rate of the materials. Cement powders with the (Ca + Mg)/P ratio of 2 and the degree of magnesium substitution for calcium of 0, 10, 20, and 40 wt % were used in the study. Sodium phosphate-based solutions were used as the cement fluids. Depending on the magnesium content, CPCs based on magnesium-substituted apatite and whitlockite phases were obtained. The phase composition, setting time, strength, and microstructure of the cements were determined. An increase in the acidity of the cement liquid was found to give cements with a greater content of amorphous phase and more homogeneous structure, resulting in higher strength.

Sobre autores

M. Goldberg

Baikov Institute of Metallurgy

Email: naiv.syper@gmail.com
Rússia, Leninskii pr. 49, Moscow, 117334

V. Smirnov

Baikov Institute of Metallurgy

Email: naiv.syper@gmail.com
Rússia, Leninskii pr. 49, Moscow, 117334

O. Antonova

Baikov Institute of Metallurgy

Email: naiv.syper@gmail.com
Rússia, Leninskii pr. 49, Moscow, 117334

S. Smirnov

Baikov Institute of Metallurgy

Email: naiv.syper@gmail.com
Rússia, Leninskii pr. 49, Moscow, 117334

L. Shvorneva

Baikov Institute of Metallurgy

Email: naiv.syper@gmail.com
Rússia, Leninskii pr. 49, Moscow, 117334

S. Kutsev

Baikov Institute of Metallurgy

Email: naiv.syper@gmail.com
Rússia, Leninskii pr. 49, Moscow, 117334

S. Barinov

Baikov Institute of Metallurgy

Autor responsável pela correspondência
Email: naiv.syper@gmail.com
Rússia, Leninskii pr. 49, Moscow, 117334

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