Tribological and microstructural analysis of Al2O3/TiO2 nanocomposites to use in the femoral head of hip replacement

Soo Whon Lee; Carlos Morillo; Joaquín Lira-Olivares; Seung Ho Kim; Tohru Sekino; Koichi Niihara; Bernard J. Hockey

doi:10.1016/S0043-1648(03)00099-1

Tribological and microstructural analysis of Al₂O₃/TiO₂ nanocomposites to use in the femoral head of hip replacement

Soo Whon Lee, Carlos Morillo, Joaquín Lira-Olivares, Seung Ho Kim, Tohru Sekino, Koichi Niihara, Bernard J. Hockey

Institute of Multidisciplinary Research for Advanced Materials (IMRAM)

Research output: Contribution to journal › Article › peer-review

47 Citations (Scopus)

Abstract

Total hip joint replacement is the major achievement in orthopedic surgery; zirconia and alumina have been widely used in the medical field due to their biocompatibility, excellent corrosion resistance, low friction, high wear resistance, high strength, and low cost. Fracture toughness of alumina is enhanced with dispersion of nanometer sized particles of TiO₂, Al₂O₃/TiO₂ nanocomposite. Therefore, this can be a good material for the femoral head of total hip joint replacement. This study simulation of human body behavior and movement of hip joint was carried out in a ball-on-disc tribometer, using silicon nitride balls and distilled water at 37 °C for 100 h. Al₂O₃/TiO₂ nanocomposite disk were hot pressed at 1500 °C and 25 MPa, in an Ar atmosphere for 1 h.

Original language	English
Pages (from-to)	1040-1044
Number of pages	5
Journal	WEAR
Volume	255
Issue number	7-12
DOIs	https://doi.org/10.1016/S0043-1648(03)00099-1
Publication status	Published - 2003

Keywords

Alumina
Hip joint
Nanocomposite
Titania

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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title = "Tribological and microstructural analysis of Al2O3/TiO2 nanocomposites to use in the femoral head of hip replacement",

abstract = "Total hip joint replacement is the major achievement in orthopedic surgery; zirconia and alumina have been widely used in the medical field due to their biocompatibility, excellent corrosion resistance, low friction, high wear resistance, high strength, and low cost. Fracture toughness of alumina is enhanced with dispersion of nanometer sized particles of TiO2, Al2O3/TiO2 nanocomposite. Therefore, this can be a good material for the femoral head of total hip joint replacement. This study simulation of human body behavior and movement of hip joint was carried out in a ball-on-disc tribometer, using silicon nitride balls and distilled water at 37 °C for 100 h. Al2O3/TiO2 nanocomposite disk were hot pressed at 1500 °C and 25 MPa, in an Ar atmosphere for 1 h.",

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AU - Lee, Soo Whon

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AU - Lira-Olivares, Joaquín

AU - Kim, Seung Ho

AU - Sekino, Tohru

AU - Niihara, Koichi

AU - Hockey, Bernard J.

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