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A facile route for hydroxyapatite densification with an increased heating rate

Authorized Users Only
2017
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 °C/min up to 1200 °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 °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.
Keywords:
hydroxyapatite nanorods / chemical precipitation / non-isothermal processing / heating rate
Source:
Materials Letters, 2017, 207, 12-15
Publisher:
  • Elsevier
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
Handle
https://hdl.handle.net/21.15107/rcub_dais_2336
URI
https://dais.sanu.ac.rs/123456789/2336
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Lukić, Miodrag J.
AU  - Sezen, Meltem
AU  - Veljović, Đorđe
AU  - Mraković, Ana
PY  - 2017
UR  - https://dais.sanu.ac.rs/123456789/2336
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 °C/min up to 1200 °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 °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
T2  - Materials Letters
T1  - A facile route for hydroxyapatite densification with an increased heating rate
SP  - 12
EP  - 15
VL  - 207
DO  - 10.1016/j.matlet.2017.07.020
UR  - https://hdl.handle.net/21.15107/rcub_dais_2336
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 °C/min up to 1200 °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 °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",
journal = "Materials Letters",
title = "A facile route for hydroxyapatite densification with an increased heating rate",
pages = "12-15",
volume = "207",
doi = "10.1016/j.matlet.2017.07.020",
url = "https://hdl.handle.net/21.15107/rcub_dais_2336"
}
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., 207, 12-15.
https://doi.org/10.1016/j.matlet.2017.07.020
https://hdl.handle.net/21.15107/rcub_dais_2336
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
https://hdl.handle.net/21.15107/rcub_dais_2336 .
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 .,
https://hdl.handle.net/21.15107/rcub_dais_2336 .

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