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Ceramic materials in K2O-CaO-P2O5 system obtained by annealing of cement-salt stone prepared from highly loaded suspensionsтезисы доклада
- Авторы: Toshev Otabek, Stegalin Georgiy, Safronova Tatyana, Shatalova Tatyana, Lukina Yulia, Malyutin Konstantin
- Сборник: Programme and book of abstracts / 14th ECerS Conference for Young Scientists in Ceramics (CYSC-2021), October 20-23, 2021, Novi Sad
- Тезисы
- Год издания: 2021
- Место издания: SAJNOS, Novi Sad Novi Sad, Serbia
- Первая страница: 69
- Последняя страница: 69
- Аннотация: This work is aimed at creating biocompatible ceramic materials in K2O-CaO-P2O5 system, by heat treatment of green powder products (cement-salt stone) formed from highly loaded hardening suspensions. Water was added to the homogenized powder mixtures and the resulting suspensions were placed in a latex form for hardening and drying at the air for a week.The phase composition of samples based on powder mixtures mentioned aboveafter hardening and drying was represented by brushite (CaHPO4 2H2O), monetite (CaHPO4), citric acid (H3C6H5O7) and unreacted starting components Ca3(C6H5O7)2 4H2O, Ca(H2PO4)2.H2O, K2HC6H5O7, KH2C6H5O7 and KH2PO4. Cement-salt stone samples were annealed in the furnace in the temperature range of 500 1000 C with an exposure of 2 hours for obtaining ceramics. During heat treatment, the components in the cement-salt stone were subjected to thermal decomposition, and the resulting components interacted with each other.According to XRD analysis data the phase composition of ceramic samples after heat treatment of preceramic samples of cement-salt stone based on Ca3(C6H5O7)2 4H2O and Ca(H2PO4)2 H2O at 1000 was represented only by b-Ca2P2O7. After firing of cement stone based on Ca3(C6H5O7)2 4H2O and KH2PO4 at 1000 -CaKPO4 phase was detected. The phase composition of ceramics made from powder mixture of Ca3(C6H5O7)2 4H2O, KH2PO4 and Ca(H2PO4)2 H2 b-Ca2P2O7 and a-CaKPO4 phases. b-Ca2P2O7 a-CaKPO4, which has the ability to dissolve slowly, can be used in regenerative medicine for the treatment of bone tissue defects. Acknowledgements: This work was supported by Russian Foundation for Basic Research (project No 18-29-11079).
- Добавил в систему: Сафронова Татьяна Викторовна
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Toshev_Serbia_69.pdf | Toshev_Serbia_69.pdf | 428,6 КБ | 4 декабря 2021 [safronova] |