Cathodoluminescence as a Method of Microstructure Characterization of Biphasic Ceramics Composed of Hydroxyapatite and β-Tricalcium Phosphate

This paper describes the investigation into the use of cathodoluminescence for distinguishing HA and β-TCP phases within the biphasic calcium phosphate ceramic microstructure. Polished samples were scanned using SEM-CL at an accelerating voltage in the range of 10-15 keV with a beam current of 5-10 nA. The grayscale images produced reveal distinctive patterns for each composition. EDS and EPMA suggest chemical differences among the contrasting regions. Image analysis of voxel values indicate that areas of bright contrast correspond to β-TCP grains with phase amounts confirmed by XRD.

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Effect of Sintering Temperature on Biphasic Calcium Phosphate (BCP) Biocomposite

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.1087.475 ◽

2015 ◽

Vol 1087 ◽

pp. 475-478 ◽

Cited By ~ 1

Author(s):

Shah Rizal Kasim ◽

Nor Firdaus Muhamad ◽

Sivakumar Ramakrishan

Keyword(s):

Calcium Phosphate ◽

Mathematical Models ◽

Design Of Experiment ◽

Tricalcium Phosphate ◽

Biphasic Calcium Phosphate ◽

Sintering Temperature ◽

Present Report ◽

Tcp Phases ◽

Different Temperatures ◽

Formation Porosity

The present report aims to fabricate biphasic calcium phosphate (BCP) biocomposite in order to study the effects of sintering temperature on the sintered BCP biocomposite characteristics (phase’s formation, porosity and hardness properties). These effects were quantified using design of experiment (DOE) to develop mathematical models. BCP biocomposite pellets (60 wt% HA) were fabricated using mixing, pressing and sintered at two different temperatures (1100°C and 1250°C). The experiment was run by following the run order suggested by DOE software (Minitab 16) through randomization stage. Results show that sintering temperature will affect the formation of α-tricalcium phosphate (α-TCP) and the porosity of the samples. The formation of α-TCP phases will reduce the hardness value of BCP biocomposite.

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Nanoscale surface characterization of biphasic calcium phosphate, with comparisons to calcium hydroxyapatite and β-tricalcium phosphate bioceramics

Journal of Colloid and Interface Science ◽

10.1016/j.jcis.2013.12.055 ◽

2014 ◽

Vol 420 ◽

pp. 182-188 ◽

Cited By ~ 41

Author(s):

Rodrigo França ◽

Taraneh Djavanbakht Samani ◽

Ghislaine Bayade ◽

L’Hocine Yahia ◽

Edward Sacher

Keyword(s):

Calcium Phosphate ◽

Tricalcium Phosphate ◽

Surface Characterization ◽

Biphasic Calcium Phosphate ◽

Calcium Hydroxyapatite

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PREPARATION AND CHARACTERIZATION OF BIPHASIC CALCIUM PHOSPHATE CONSISTING OF TETRACALCIUM PHOSPHATE AND α-TRICALCIUM PHOSPHATE

Phosphorus Research Bulletin ◽

10.3363/prb.32.14 ◽

2016 ◽

Vol 32 (0) ◽

pp. 14-16 ◽

Cited By ~ 1

Author(s):

Hiroaki Okano ◽

Yoshihiko Inomata ◽

Souhei Nakagawa

Keyword(s):

Calcium Phosphate ◽

Tricalcium Phosphate ◽

Biphasic Calcium Phosphate ◽

Tetracalcium Phosphate

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Bone regeneration of porous β-tricalcium phosphate (Conduit™ TCP) and of biphasic calcium phosphate ceramic (Biosel®) in trabecular defects in sheep

Journal of Biomedical Materials Research Part A ◽

10.1002/jbm.a.30990 ◽

2007 ◽

Vol 82A (3) ◽

pp. 711-722 ◽

Cited By ~ 58

Author(s):

Esther W.H. Bodde ◽

Joop G.C. Wolke ◽

Rick S.Z. Kowalski ◽

John A. Jansen

Keyword(s):

Calcium Phosphate ◽

Bone Regeneration ◽

Tricalcium Phosphate ◽

Biphasic Calcium Phosphate ◽

Calcium Phosphate Ceramic

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The Preparation and Morphology of Biphasic Calcium Phosphate Ceramics

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.506.198 ◽

2012 ◽

Vol 506 ◽

pp. 198-201

Author(s):

P. Saiwanich ◽

Kamonpan Pengpat ◽

G. Rujijanagul ◽

U. Intatha ◽

Sukum Eitssayeam

Keyword(s):

Calcium Phosphate ◽

Tricalcium Phosphate ◽

Biphasic Calcium Phosphate ◽

X Ray Diffraction ◽

Casting Method ◽

X Ray ◽

Gel Casting ◽

Beta Tricalcium Phosphate ◽

Ceramic Microstructure ◽

Ball Milling Technique

In this work, thepreparation and morphology of biphasic calcium phosphate (BCP) have been studied. The biphasic calcium phosphate (BCP) ceramics were prepared by mixing between hydroxyapatite (HA) and Beta-tricalcium phosphate (β-TCP) powderby ball milling technique with different ratios (100:0,80:20,60:40,50:50,40:60, 20:80 and 0:100). After that the mixtures were forming by Gel casting method and then sintered at 1200°C, respectively. The phase formation of the biphasic calcium phosphateceramics were studied by X-ray diffraction (XRD) and their ceramic microstructure,shrinkage and density were investigated.

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