Development of titanium/zirconia composite by spark plasma sintering (SPS) method for artificial hip joint

Hiroshi Kotani, Tomoyuki Saito, Shoichi Kikuchi, Jun Komotori, Tetsuya Naruse, Kazutoshi Katahira, Hitoshi Ohmori

研究成果: Conference contribution

抄録

In order to develop a new biomaterial with higher wear resistance and fracture toughness, titanium and partially-stabilized zirconia (PSZ) composite was sintered by spark plasma sintering (SPS) method. Various types of titanium/zirconia composite with different mass fraction of zirconia were prepared by sintering at 1173K and 1373K. In order to discuss their capability for biomaterials as a slide member, micro-Vickers hardness tests, reciprocating wear tests, and fracture toughness measurements were carried out. The micro structures of composites were characterized by a scanning electron microscope (SEM), an energy dispersive X-ray spectrometer (EDS) and an X-ray diffractometer (XRD). The composites sintered at relatively lower temperature of 1173K with small mass fraction of zirconia showed higher wear resistance and fracture toughness as compared to the composites with large zirconia mass fraction. This was because the former composites included titanium and zirconia mixed area mainly composed of TiO and Ti2ZrO inside the specimen. These compounds improved the hardness and wear resistance of composites. Higher hardness and wear resistant composites were achieved by sintering at 1373K with large mass fraction of zirconia. However, these composites showed lower value of fracture toughness because of the higher volume fraction of TiO and Ti 2ZrO. These results imply that addition of small mass fraction of zirconia is effective in improving a mechanical property of composites. Biocompatibility of sintered composites was also discussed.

元の言語English
ホスト出版物のタイトルProgress of Composites 2008 in Asia and Australasia - Proceedings of the 6th Asian-Australasian Conference on Composite Materials, ACCM 2008
ページ205-208
ページ数4
出版物ステータスPublished - 2008
イベント6th Asian-Australasian Conference on Composite Materials: Progress of Composites 2008 in Asia and Australasia, ACCM 2008 - Kumamoto, Kyushu, Japan
継続期間: 2008 9 232008 9 26

Other

Other6th Asian-Australasian Conference on Composite Materials: Progress of Composites 2008 in Asia and Australasia, ACCM 2008
Japan
Kumamoto, Kyushu
期間08/9/2308/9/26

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Hip prostheses
Spark plasma sintering
Titanium
Zirconia
Composite materials
Fracture toughness
Wear resistance
Biocompatible Materials
Biomaterials
zirconium oxide
Sintering
Hardness
Wear of materials
X ray spectrometers
Vickers hardness
Diffractometers
Biocompatibility
Energy dispersive spectroscopy
Volume fraction
Electron microscopes

ASJC Scopus subject areas

  • Ceramics and Composites

これを引用

Kotani, H., Saito, T., Kikuchi, S., Komotori, J., Naruse, T., Katahira, K., & Ohmori, H. (2008). Development of titanium/zirconia composite by spark plasma sintering (SPS) method for artificial hip joint. : Progress of Composites 2008 in Asia and Australasia - Proceedings of the 6th Asian-Australasian Conference on Composite Materials, ACCM 2008 (pp. 205-208)

Development of titanium/zirconia composite by spark plasma sintering (SPS) method for artificial hip joint. / Kotani, Hiroshi; Saito, Tomoyuki; Kikuchi, Shoichi; Komotori, Jun; Naruse, Tetsuya; Katahira, Kazutoshi; Ohmori, Hitoshi.

Progress of Composites 2008 in Asia and Australasia - Proceedings of the 6th Asian-Australasian Conference on Composite Materials, ACCM 2008. 2008. p. 205-208.

研究成果: Conference contribution

Kotani, H, Saito, T, Kikuchi, S, Komotori, J, Naruse, T, Katahira, K & Ohmori, H 2008, Development of titanium/zirconia composite by spark plasma sintering (SPS) method for artificial hip joint. : Progress of Composites 2008 in Asia and Australasia - Proceedings of the 6th Asian-Australasian Conference on Composite Materials, ACCM 2008. pp. 205-208, 6th Asian-Australasian Conference on Composite Materials: Progress of Composites 2008 in Asia and Australasia, ACCM 2008, Kumamoto, Kyushu, Japan, 08/9/23.
Kotani H, Saito T, Kikuchi S, Komotori J, Naruse T, Katahira K その他. Development of titanium/zirconia composite by spark plasma sintering (SPS) method for artificial hip joint. : Progress of Composites 2008 in Asia and Australasia - Proceedings of the 6th Asian-Australasian Conference on Composite Materials, ACCM 2008. 2008. p. 205-208
Kotani, Hiroshi ; Saito, Tomoyuki ; Kikuchi, Shoichi ; Komotori, Jun ; Naruse, Tetsuya ; Katahira, Kazutoshi ; Ohmori, Hitoshi. / Development of titanium/zirconia composite by spark plasma sintering (SPS) method for artificial hip joint. Progress of Composites 2008 in Asia and Australasia - Proceedings of the 6th Asian-Australasian Conference on Composite Materials, ACCM 2008. 2008. pp. 205-208
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