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Effect of powder calcination on the sintering of hydroxyapatite

The sintering behaviour of synthesized HA powder that was calcined at various temperatures ranging from 700 degrees C to 1000 degrees C was investigated in terms of phase stability, bulk density, Young's modulus and Vickers hardness. The calcination treatment resulted in higher crystallinity of...

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Main Authors: Tan, C.Y., Ramesh, S., Aw, K.L., Yeo, W.H., Abd Shukor, Mohd Hamdi, Sopyan, I.
Format: Article
Published: Malaysian Medical Association 2008
Subjects:
TS Manufactures
Online Access:http://eprints.um.edu.my/6938/
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spelling my.um.eprints.69382021-10-01T03:58:53Z http://eprints.um.edu.my/6938/ Effect of powder calcination on the sintering of hydroxyapatite Tan, C.Y. Ramesh, S. Aw, K.L. Yeo, W.H. Abd Shukor, Mohd Hamdi Sopyan, I. TS Manufactures The sintering behaviour of synthesized HA powder that was calcined at various temperatures ranging from 700 degrees C to 1000 degrees C was investigated in terms of phase stability, bulk density, Young's modulus and Vickers hardness. The calcination treatment resulted in higher crystallinity of the starting HA powder. Decomposition of HA phase to form secondary phases was not observed in all the calcined powders. The results also indicated that powder calcination (up to 900 degrees C) prior to sintering has negligible effect on the sinterability of the HA compacts. However, powder calcined at 1000 degrees C was found to be detrimental to the properties of sintered hydroxyapatite bioceramics. Malaysian Medical Association 2008 Article PeerReviewed Tan, C.Y. and Ramesh, S. and Aw, K.L. and Yeo, W.H. and Abd Shukor, Mohd Hamdi and Sopyan, I. (2008) Effect of powder calcination on the sintering of hydroxyapatite. Medical Journal of Malaysia, 63. pp. 87-88. ISSN 0300-5283
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic TS Manufactures
spellingShingle TS Manufactures
Tan, C.Y.
Ramesh, S.
Aw, K.L.
Yeo, W.H.
Abd Shukor, Mohd Hamdi
Sopyan, I.
Effect of powder calcination on the sintering of hydroxyapatite
description The sintering behaviour of synthesized HA powder that was calcined at various temperatures ranging from 700 degrees C to 1000 degrees C was investigated in terms of phase stability, bulk density, Young's modulus and Vickers hardness. The calcination treatment resulted in higher crystallinity of the starting HA powder. Decomposition of HA phase to form secondary phases was not observed in all the calcined powders. The results also indicated that powder calcination (up to 900 degrees C) prior to sintering has negligible effect on the sinterability of the HA compacts. However, powder calcined at 1000 degrees C was found to be detrimental to the properties of sintered hydroxyapatite bioceramics.
format Article
author Tan, C.Y.
Ramesh, S.
Aw, K.L.
Yeo, W.H.
Abd Shukor, Mohd Hamdi
Sopyan, I.
author_facet Tan, C.Y.
Ramesh, S.
Aw, K.L.
Yeo, W.H.
Abd Shukor, Mohd Hamdi
Sopyan, I.
author_sort Tan, C.Y.
title Effect of powder calcination on the sintering of hydroxyapatite
title_short Effect of powder calcination on the sintering of hydroxyapatite
title_full Effect of powder calcination on the sintering of hydroxyapatite
title_fullStr Effect of powder calcination on the sintering of hydroxyapatite
title_full_unstemmed Effect of powder calcination on the sintering of hydroxyapatite
title_sort effect of powder calcination on the sintering of hydroxyapatite
publisher Malaysian Medical Association
publishDate 2008
url http://eprints.um.edu.my/6938/
_version_ 1713200132821876736
score 13.214268

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