Effect of YF3 on the phase stability and sinterability of hydroxyapatite - Partially stabilized zirconia composites
Ceramics International, cilt.39, sa.7, ss.7869-7877, 2013 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 39 Sayı: 7
- Basım Tarihi: 2013
- Doi Numarası: 10.1016/j.ceramint.2013.03.048
- Dergi Adı: Ceramics International
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Sayfa Sayıları: ss.7869-7877
- Anahtar Kelimeler: Sintering, Thermal properties, Apatite, YF3
- Sağlık Bilimleri Üniversitesi Adresli: Hayır
Özet
Pure hydroxyapatite (HA), HA and partially stabilized zirconia composites (PSZ) with YF3 and HA-PSZ composite containing 5 wt% PSZ without YF3 were sintered in air at 900° C, 1100° C and 1300° C for 1 h. The reactions and transformation of the phases in the composites were determined by X-ray diffraction. All the composites with or without YF 3 showed desirable thermal stability below 1300° C and besides various amounts of CaZrO3, any amount of tri-calcium phosphate (TCP) was not observed. Above 1100° C, composites with YF3 showed higher thermal stability than the composites without YF3. On the other hand, pure HA started to decompose and TCP was observed at 1300° C. Composites with YF3 showed improved thermal stability than the composite containing 5 wt% PSZ without YF3 and pure HA at lower sintering temperatures such as 900° C and 1100° C. However, it was observed that the increasing amount of YF3 addition caused negative effect on the thermal stability of the composites. 5ZHA composites with YF 3 showed the highest relative density among all of the composites with or without YF3. © 2013 Elsevier Ltd and Techna Group S.r.l.