Cooling rate effects on thermal, structural, and microstructural properties of bio-hydroxyapatite obtained from bovine bone

This article is focused on the study of cooling rate effects on the thermal, structural, and microstructural properties of hydroxyapatite (HAp) obtained from bovine bone. A three-step process was used to obtain BIO-HAp: hydrothermal, calcinations, and cooling. Calcined samples in a furnace and cooli...

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Bibliographic Details
Published in:Journal of biomedical materials research. Part B, Applied biomaterials Applied biomaterials, 2016-02, Vol.104 (2), p.339-344
Main Authors: Ramirez-Gutierrez, Cristian F., Palechor-Ocampo, Anderzon F., Londoño-Restrepo, Sandra M., Millán-Malo, Beatriz M., Rodriguez-García, Mario E.
Format: Article
Language:English
Subjects:
Animals
bio-hydroxyapatite
Biomedical materials
Bone and Bones - chemistry
Cattle
Cold Temperature
cooling rate
Durapatite - chemistry
Hot Temperature
hydroxyapatite
Materials research
Materials science
structural properties of bone
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Summary:This article is focused on the study of cooling rate effects on the thermal, structural, and microstructural properties of hydroxyapatite (HAp) obtained from bovine bone. A three-step process was used to obtain BIO-HAp: hydrothermal, calcinations, and cooling. Calcined samples in a furnace and cooling in air (HAp-CAir), water (HAp-CW), and liquid nitrogen (HAp-CN2), as well as an air cooled sample inside the furnace (HAp-CFAir), were studied. According to this study, the low cooling rate that was achieved for air cooled samples inside the furnace produce single crystal BIO-HAp with better crystalline quality; other samples exhibited polycrystalline structures forming micron and submicron grains.
ISSN:1552-4973
1552-4981
DOI:10.1002/jbm.b.33401