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A facile route for hydroxyapatite densification with an increased heating rate

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2017
3587.pdf (1.243Mb)
Authors
Lukić, Miodrag J.
Sezen, Meltem
Veljović, Đorđe
Mraković, Ana
Article (Published version)
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Abstract
The densification behavior of hydroxyapatite nanorods prepared by chemical precipitation method in open reactor conditions was investigated by application of different heating rates. The non-isothermal processing was performed with 2, 10, and 50 degrees C/min up to 1200 degrees C and yielded fully dense ceramics. The implementation of the higher heating rate provided grain size refinement from micrometer level for the slowest ramp, down to 250 nm in the case of processing with 50 degrees C/min, without any drawbacks regarding final density. The relative amount of retained structural hydroxyl groups in sintered ceramics was gradually increased with the heating rate. Furthermore, the qualitative level of optical translucency was increased with a higher heating rate which can be explained by the beneficial alignment of HAp nanorods during the fast heating rate processing, achieved microstructural refinement, and higher amount of structural hydroxyl groups.
Source:
Materials Letters, 2017, 207, 12-15
Publisher:
  • Elsevier Science Bv, Amsterdam
Funding / projects:
  • Molecular designing of nanoparticles with controlled morphological and physicochemical characteristics and functional materials based on them (RS-45004)

DOI: 10.1016/j.matlet.2017.07.020

ISSN: 0167-577X

WoS: 000407691000004

Scopus: 2-s2.0-85022338548
[ Google Scholar ]
1
1
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3590
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Lukić, Miodrag J.
AU  - Sezen, Meltem
AU  - Veljović, Đorđe
AU  - Mraković, Ana
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3590
AB  - The densification behavior of hydroxyapatite nanorods prepared by chemical precipitation method in open reactor conditions was investigated by application of different heating rates. The non-isothermal processing was performed with 2, 10, and 50 degrees C/min up to 1200 degrees C and yielded fully dense ceramics. The implementation of the higher heating rate provided grain size refinement from micrometer level for the slowest ramp, down to 250 nm in the case of processing with 50 degrees C/min, without any drawbacks regarding final density. The relative amount of retained structural hydroxyl groups in sintered ceramics was gradually increased with the heating rate. Furthermore, the qualitative level of optical translucency was increased with a higher heating rate which can be explained by the beneficial alignment of HAp nanorods during the fast heating rate processing, achieved microstructural refinement, and higher amount of structural hydroxyl groups.
PB  - Elsevier Science Bv, Amsterdam
T2  - Materials Letters
T1  - A facile route for hydroxyapatite densification with an increased heating rate
EP  - 15
SP  - 12
VL  - 207
DO  - 10.1016/j.matlet.2017.07.020
ER  - 
@article{
author = "Lukić, Miodrag J. and Sezen, Meltem and Veljović, Đorđe and Mraković, Ana",
year = "2017",
abstract = "The densification behavior of hydroxyapatite nanorods prepared by chemical precipitation method in open reactor conditions was investigated by application of different heating rates. The non-isothermal processing was performed with 2, 10, and 50 degrees C/min up to 1200 degrees C and yielded fully dense ceramics. The implementation of the higher heating rate provided grain size refinement from micrometer level for the slowest ramp, down to 250 nm in the case of processing with 50 degrees C/min, without any drawbacks regarding final density. The relative amount of retained structural hydroxyl groups in sintered ceramics was gradually increased with the heating rate. Furthermore, the qualitative level of optical translucency was increased with a higher heating rate which can be explained by the beneficial alignment of HAp nanorods during the fast heating rate processing, achieved microstructural refinement, and higher amount of structural hydroxyl groups.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Materials Letters",
title = "A facile route for hydroxyapatite densification with an increased heating rate",
pages = "15-12",
volume = "207",
doi = "10.1016/j.matlet.2017.07.020"
}
Lukić, M. J., Sezen, M., Veljović, Đ.,& Mraković, A.. (2017). A facile route for hydroxyapatite densification with an increased heating rate. in Materials Letters
Elsevier Science Bv, Amsterdam., 207, 12-15.
https://doi.org/10.1016/j.matlet.2017.07.020
Lukić MJ, Sezen M, Veljović Đ, Mraković A. A facile route for hydroxyapatite densification with an increased heating rate. in Materials Letters. 2017;207:12-15.
doi:10.1016/j.matlet.2017.07.020 .
Lukić, Miodrag J., Sezen, Meltem, Veljović, Đorđe, Mraković, Ana, "A facile route for hydroxyapatite densification with an increased heating rate" in Materials Letters, 207 (2017):12-15,
https://doi.org/10.1016/j.matlet.2017.07.020 . .

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