Preparation of Hydroxyapatite Ceramics by Hydrothermal Hot-Pressing Technique

Kazumichi Yanagisawa; Kongjun Zhu; Takahiro Fujino; Ayumu Onda; Koji Kajiyoshi; Koji Ioku

doi:10.4028/www.scientific.net/KEM.309-311.57

Paper Titles

Effect of Heat-Treatment Temperature on the Osteoconductivity of the Apatite Derived from Bovine Bone
p.41

Influence of Sintering Temperature on Mechanical Properties of Biologically Derived Hydroxyapatite Bodies
p.45

Sintering Effect on Mechanical Properties of Composites of Bovine Hydroxyapatite (BHA) and Li₂O
p.49

Formation of c-Axis Aligned Hydroxyapatite Sheet by Simultaneous Imposition of High Magnetic Field and Mold Rotation During Slip Casting Process
p.53

Preparation of Hydroxyapatite Ceramics by Hydrothermal Hot-Pressing Technique
p.57

Neutron Characterisation of Hydroxyapatite Bioceramics
p.61

Preparation and Characterization of Hydroxyapatite Microspheres with Hollow Core and Mesoporous Shell
p.65

Progress of Structural Elucidation of Amorphous Calcium Phosphate(ACP)and Hydroxyapatite (HAp): Disorder and Surfaces as Seen by Solid State NMR
p.69

Bovine Serum Albumin Adsorption on Hydroxyapatite and Biphasic Calcium Phosphate and the Correlation with Zeta Potentials and Wettability
p.73

HomeKey Engineering MaterialsKey Engineering Materials Vols. 309-311Preparation of Hydroxyapatite Ceramics by...

Preparation of Hydroxyapatite Ceramics by Hydrothermal Hot-Pressing Technique

Abstract:

The hydrothermal hot-pressing (HHP) technique was used to prepare hydroxyapatite (HAp) ceramics from a HAp powder with low crystallinity, and the effects of processing factors such as temperature, loading pressure and reaction time on densification were investigated. The crystallinity of HAp was increased by the HHP treatments. With the increase in reaction temperature, loading pressure and reaction time, the density and Vickers hardness of the compacts increased. The HAp compact with high relative density of 83% and high Vickers hardness of 2.9 GPa was successfully prepared by the HHP treatment at 200°C for 3 h under loading pressure of 60 MPa.

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Key Engineering Materials (Volumes 309-311)

Pages:

57-60

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.309-311.57

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Online since:

May 2006

Authors:

Kazumichi Yanagisawa, Kongjun Zhu, Takahiro Fujino, Ayumu Onda, Koji Kajiyoshi, Koji Ioku

Keywords:

Densification, Hydrothermal Hot Pressing, Hydroxyapatite (HAP)

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