Fabrication of Ti-Based Biodegradable Material Composites Prepared by Spark Plasma Sintering Method

Eri Miura-Fujiwara; Takeshi Teramoto; Hisashi Sato; Equo Kobayashi; Yoshimi Watanabe

doi:10.4028/www.scientific.net/MSF.654-656.2158

Paper Titles

Improvement of Mechanical Performance and Biocompatibility of Spinal Implant Rod Made of Beta-Type Ti-Nb-Ta-Zr Alloy
p.2142

Microstructure Characterization of Laser Welded Near-β Titanium Alloy ‘TLM’ under Different Process Conditions
p.2146

Effect of Aging on Mechanical Properties of Ti-Mo-Al Biomedical Shape Memory Alloy
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Self-Accommodation Morphology in Ti-Nb-Al Shape Memory Alloy
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Fabrication of Ti-Based Biodegradable Material Composites Prepared by Spark Plasma Sintering Method
p.2158

Calcium Phosphate Coating on Titanium Using Dry Process
p.2162

MAO-Prepared Hydroxyapatite Coating on Ultrafine-Grained Titanium
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Pack Cementation Treatment of Titanium Using Tetracalcium Phosphate Powder for Biomedical Applications
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Phase and Morphology of Carbides in ASTM F75 Co-Cr-Mo-C Alloys Formed at 1473 to 1623 K
p.2176

HomeMaterials Science ForumMaterials Science Forum Vols. 654-656Fabrication of Ti-Based Biodegradable Material...

Fabrication of Ti-Based Biodegradable Material Composites Prepared by Spark Plasma Sintering Method

Abstract:

This study aims at producing porous Ti filled with biodegradable materials for biomedical implants by means of spark plasma sintering method (SPS). To improve bone fixation and to obtain appropriate Young’s modulus as a medical implant material, we applied -tri calcium phosphate (-TCP) to the Ti-based composite. Ti/-TCP powder mixtures were sintered by SPS under applied stress of 45MPa with various temperatures and holding time. Vickers hardness (Hv) of obtained composite increased with increasing the holding time up to 10 min, and saturated hardness was approximately 750 Hv, which is extremely higher than that of bulk Ti. Hardness also increased as sintering temperature increased up to 1473 K. From the results of microstructure observations by scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDXS), O- and P- containing Ti surrounded around Ti particle, and O diffused into Ti particle to a certain extent. X-ray diffraction results indicated several kinds of Ti-O and/or Ti-P formed in the specimen. Results indicated that it is the brittle phases formed during sintering that increased the hardness.

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Periodical:

Materials Science Forum (Volumes 654-656)

Pages:

2158-2161

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.654-656.2158

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Online since:

June 2010

Authors:

Eri Miura-Fujiwara, Takeshi Teramoto, Hisashi Sato, Equo Kobayashi, Yoshimi Watanabe

Keywords:

Biodegradable Material, Composite, Spark Plasma Sintering Method, Titanium, β-Tri-Calcium-Phosphate

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