Resorbable calcium  phosphates based ceramics

Safronova, T.V.; Putlyaev, V.I.; Shekhirev, M.A.

Информация о цитировании статьи получена из Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.

Авторы: Safronova T.V., Putlyaev V.I., Shekhirev M.A.
Журнал: Powder Metallurgy and Metal Ceramics
Том: 52
Номер: 5-6
Год издания: 2013
Издательство: Kluwer Academic/Plenum Publishers
Местоположение издательства: United States
Первая страница: 357
Последняя страница: 363
DOI: 10.1007/s11106-013-9534-6
Аннотация: Resorbable monophase ceramics and ceramic composites based on calcium pyrophosphate (CPP, Ca2P2O7), tricalcium phosphate (TCP, Ca3(PO4)2), and hydroxyapatite (HAp, Ca10(PO4)6(OH)2) were prepared via thermal treatment of a HAp (Ca/P = 1.67) and CPP (Ca/P=1) mixture. Hightemperature solid-state reaction between HAp and CPP leading to TCP formation was studied within the range 700–800 ºC. The metastable -TCP phase was observed in this range as a product of the solid-state reaction. The reaction had been completed before sintering of the powders started. The microstructure of CPP/TCP composites was found to be duplex-like, consisting of large CPP grains with smaller TCP grains among CPP ones. In the case of the monophase ceramics with starting HAp/CPP ratio corresponding to TCP, grain size was less than 300 nm.
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