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Effect of YF3 on the phase stability and sinterability of hydroxyapatite-Partially stabilized zirconia composites
Date
2013-09-01
Author
Aykul, Anil
KUTBAY, IŞIL
Evis, Zafer
USTA, Metin
Metadata
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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 degrees C, 1100 degrees C and 1300 degrees 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 YF3 showed desirable thermal stability below 1300 degrees C and besides various amounts of CaZrO3, any amount of tri-calcium phosphate (TCP) was not observed. Above 1100 degrees 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 degrees 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 degrees C and 1100 degrees 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 YF3 showed the highest relative density among all of the composites with or without YF3. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
Subject Keywords
Process Chemistry and Technology
,
Materials Chemistry
,
Electronic, Optical and Magnetic Materials
,
Surfaces, Coatings and Films
,
Ceramics and Composites
URI
https://hdl.handle.net/11511/37355
Journal
CERAMICS INTERNATIONAL
DOI
https://doi.org/10.1016/j.ceramint.2013.03.048
Collections
Department of Engineering Sciences, Article
Citation Formats
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MLA
BibTeX
A. Aykul, I. KUTBAY, Z. Evis, and M. USTA, “Effect of YF3 on the phase stability and sinterability of hydroxyapatite-Partially stabilized zirconia composites,”
CERAMICS INTERNATIONAL
, vol. 39, no. 7, pp. 7869–7877, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/37355.