Effect of addition of varying percentages of barium titanate on the properties of beta-tricalcium phosphate

Hafizoglu Y., PAZARLIOĞLU S. S.

Journal of the Australian Ceramic Society, 2024 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Basım Tarihi: 2024
  • Doi Numarası: 10.1007/s41779-024-01086-8
  • Dergi Adı: Journal of the Australian Ceramic Society
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Aerospace Database, Communication Abstracts, Metadex, Civil Engineering Abstracts
  • Anahtar Kelimeler: Barium titanate, Beta tricalcium phosphate, Bioactivity, Property, Sintering
  • Marmara Üniversitesi Adresli: Evet

Özet

This study examines the effect of barium titanate addition at 3 different rates (BaTiO3; 1wt%, 3 wt% and 5 wt%) on the mechanical performance, in vitro bioactivity and morphological structure of beta tricalcium phosphate (β-TCP). The best results for β-TCP were achieved after sintering at 1200oC and with an average grain size of 5.077 ± 0.571 µ. However, sintering at 1250oC caused a 45% increase in the grain size of β-TCP, micro cracking and decomposition of 3.2% into alpha tricalcium phosphate (α-TCP) resulting in a decrease in its properties. Depending on the BaTiO3 ratio, 9 different phases with general chemical compositions of Bax/Cay-Tim-On, as well as α-TCP, were detected in the composites. As the sintering temperature and BaTiO3 ratio increased, the α-TCP ratio in the composites increased to 49.7%. The highest mechanical performances in composites were achieved at the sintering temperature of 1200oC and with the addition of 3wt%-BaTiO3. In vitro studies showed that the surface of this composite was completely covered with apatite on the 28th day.