Reinforcement of Brushite Cement Based on α-TCP by Rigid Polylactide Framework

P. V. Evdokimov; I. V. Fadeeva; A. S. Fomin; Ya. Yu. Filippov; V. K. Kovalkov; A. V. Knotko; V. I. Putlyaev; S. M. Barinov

doi:10.1134/S2075113318010112

Reinforcement of Brushite Cement Based on α-TCP by Rigid Polylactide Framework

作者: Evdokimov P.¹, Fadeeva I.², Fomin A.², Filippov Y.¹, Kovalkov V.¹, Knotko A.¹, Putlyaev V.¹, Barinov S.¹^,2
隶属关系:
1. Moscow State University
2. Baikov Institute of Metallurgy and Materials Science
期: 卷 9, 编号 1 (2018)
页面: 130-133
栏目: Article
URL: https://journals.rcsi.science/2075-1133/article/view/207219
DOI: https://doi.org/10.1134/S2075113318010112
ID: 207219

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Brushite cement obtained from α-Ca₃(PO₄)₂ and orthophosphoric acid in the presence of Mg(H₂PO₄)₂ with compressive strength of 18 MPa was armored with a framework with the Kelvin architecture made of polylactide by thermoextrusion 3D printing. It is shown that armoring of cement with polylactide framework allows one not only to increase the compressive strength of such a structure (up to 35 MPa) but also to significantly improve its deformability (up to 15%).