The Characteristics of the New Ceramic Material for Artificial Joints

Author:

Nakanishi Takefumi1,Shikata Kunihide2,Wang Yu Cong2,Iwamoto Mikio1,Kondo Makoto1

Affiliation:

1. Japan Medical Materials, Co.

2. Kyocera Corporation

Abstract

A new zirconia-toughened alumina ceramic (JMM-ZTA) for a ceramic-on-ceramic hip replacement has been developed. The JMM-ZTA has a fracture toughness superior to zirconia, and the JMM-ZTA/JMM-ZTA combination has superior wear-resistant performance to alumina/alumina. Moreover, the JMM-ZTA shows an excellent crystalline phase stability. Therefore, the JMM-ZTA is believed to be useful for artificial hip prostheses.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Reference5 articles.

1. P. Boutin et al. Rev. Chir. Orthop., (1972)pp.229-246.

2. Ueno et al. Journal of the Japanese Society for Clinical Biomechanics (2001) pp.437-441.

3. E. M. Passmore et al. J. Am. Ceram. Soc. (1965) pp.1-7.

4. G.M. Hamilton et al. J. Appl. Mech., Trans. ASME(1966) pp.371-376.

5. Ueno et al. Papers for Japanese Society of Tribologists Conference p.175.

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