Calcium pyrophosphate nanopowders for resorbable bioceramics preparation

Авторы: Shekhirev Mikhail A., Safronova Tatiana V., Putlayev Valery I.
Журнал: Rare Metals
Том: 28
Номер: Spec. Issue.
Год издания: 2009
Издательство: Chinese Society of Nonferrous Metal
Местоположение издательства: China
Первая страница: 531
Последняя страница: 534
Аннотация: Present work is aimed at the synthesis and characterization of calcium pyrophosphate (CPP) powders as a precursor for fabrication of resorbable bioceramics. Amorphous calcium pyrophosphate (ACPP) in the form of nanopowders was precipitated from Ca(NO3)2 and (NH4)4P2O7 solutions at room temperature. Crystalline CPP was fabricated from ACPP by its thermal decomposition at 600 °C and consisted from β- and α- phase. Small particles with the size less than 200 nm in size promote sintering of ceramic material, which exhibits microstructure with submicron grains, apparent density 86% and demonstrates strength of 72 MPa. https://cpfd.cnki.com.cn/Article/CPFDTOTAL-ZGYY200910002134.htm
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