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Effect of ZrO 2 , TiO 2 , and Al 2 O 3 Additions on Process and Kinetics of Bonelike Apatite Formation on Sintered Natural Hydroxyapatite Surfaces
Author(s) -
Mezahi Fatima Zohra,
Oudadesse Hassane,
Harabi Abdelhamid,
Gal Yann
Publication year - 2012
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2011.02742.x
Subject(s) - apatite , precipitation , kinetics , simulated body fluid , mineralogy , materials science , phosphate , nuclear chemistry , chemical engineering , chemistry , physics , organic chemistry , quantum mechanics , meteorology , engineering
In this study, the ability to form bone‐like apatite on surface of both pure natural hydroxapatite ( N ‐ HA ) and natural hydroxyapatite containing 5 wt% of ZrO 2 or TiO 2 or Al 2 O 3 , sintered at 1300°C for 2 h and soaked in the simulated body fluid for different times, was studied. It has been found that the presence of β‐tricalcium phosphate in N ‐ HA + 5 wt% ZrO 2 or TiO 2 has promoted the precipitation of bone‐like apatite in the Zr or Ti poorest regions. By contrast, the presence of 5 wt% of Al 2 O 3 did not induce any apatite precipitation on N ‐ HA sample surfaces.