Tribological analysis of alumina nanocomposites for orthopedics applications

Carlos Morillo; Yoshinori Sawae; Teruo Murakami

Tribological analysis of alumina nanocomposites for orthopedics applications

Carlos Morillo, Yoshinori Sawae, Teruo Murakami

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this study the tribological analysis of Al ₂O ₃ nanocomposites/Al ₂O ₃ pair; proposed as a candidate material to fabricate hip prostheses was carried out. Nanopowders of Al ₂O ₃ (AKP 50, 300 nm), TiO ₂ (PS-25, 50 nm) and Co metallic powder (Nilaco, 28 nm) were mixed and hot pressed. Wear test was carried out in a pin-on-plate tribometer, with a frequency of 1 Hz, a load of 49 N, for 4h; the counterface used was Al ₂O ₃. Mechanical properties as Vickers hardness, fracture toughness and Young's modulus were estimated using the indentation method. Distilled water and fetal bovine serum solution (FBSS) were used as environment. It was found that the specific wear rate of Al ₂O ₃ nanocomposites was about 10 ^-8 mm ³/N*m and the coefficients of friction were around 0.3-0.5 for FBSS. Worn surfaces were observed using SEM.

Original language	English
Title of host publication	2008 Proceedings of the STLE/ASME International Joint Tribology Conference, IJTC 2008
Pages	127-129
Number of pages	3
Publication status	Published - 2009
Event	2008 STLE/ASME International Joint Tribology Conference, IJTC 2008 - Miami, FL, United States Duration: Oct 20 2008 → Oct 22 2008

Other

Other	2008 STLE/ASME International Joint Tribology Conference, IJTC 2008
Country	United States
City	Miami, FL
Period	10/20/08 → 10/22/08

All Science Journal Classification (ASJC) codes

Fluid Flow and Transfer Processes
Process Chemistry and Technology
Mechanical Engineering

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Cite this

@inproceedings{325eee0d1d604c9b829fd663b23e2aed,

title = "Tribological analysis of alumina nanocomposites for orthopedics applications",

abstract = "In this study the tribological analysis of Al 2O 3 nanocomposites/Al 2O 3 pair; proposed as a candidate material to fabricate hip prostheses was carried out. Nanopowders of Al 2O 3 (AKP 50, 300 nm), TiO 2 (PS-25, 50 nm) and Co metallic powder (Nilaco, 28 nm) were mixed and hot pressed. Wear test was carried out in a pin-on-plate tribometer, with a frequency of 1 Hz, a load of 49 N, for 4h; the counterface used was Al 2O 3. Mechanical properties as Vickers hardness, fracture toughness and Young's modulus were estimated using the indentation method. Distilled water and fetal bovine serum solution (FBSS) were used as environment. It was found that the specific wear rate of Al 2O 3 nanocomposites was about 10 -8 mm 3/N*m and the coefficients of friction were around 0.3-0.5 for FBSS. Worn surfaces were observed using SEM.",

author = "Carlos Morillo and Yoshinori Sawae and Teruo Murakami",

year = "2009",

language = "English",

isbn = "9780791843369",

pages = "127--129",

booktitle = "2008 Proceedings of the STLE/ASME International Joint Tribology Conference, IJTC 2008",

note = "2008 STLE/ASME International Joint Tribology Conference, IJTC 2008 ; Conference date: 20-10-2008 Through 22-10-2008",

}

TY - GEN

T1 - Tribological analysis of alumina nanocomposites for orthopedics applications

AU - Morillo, Carlos

AU - Sawae, Yoshinori

AU - Murakami, Teruo

PY - 2009

Y1 - 2009

N2 - In this study the tribological analysis of Al 2O 3 nanocomposites/Al 2O 3 pair; proposed as a candidate material to fabricate hip prostheses was carried out. Nanopowders of Al 2O 3 (AKP 50, 300 nm), TiO 2 (PS-25, 50 nm) and Co metallic powder (Nilaco, 28 nm) were mixed and hot pressed. Wear test was carried out in a pin-on-plate tribometer, with a frequency of 1 Hz, a load of 49 N, for 4h; the counterface used was Al 2O 3. Mechanical properties as Vickers hardness, fracture toughness and Young's modulus were estimated using the indentation method. Distilled water and fetal bovine serum solution (FBSS) were used as environment. It was found that the specific wear rate of Al 2O 3 nanocomposites was about 10 -8 mm 3/N*m and the coefficients of friction were around 0.3-0.5 for FBSS. Worn surfaces were observed using SEM.

AB - In this study the tribological analysis of Al 2O 3 nanocomposites/Al 2O 3 pair; proposed as a candidate material to fabricate hip prostheses was carried out. Nanopowders of Al 2O 3 (AKP 50, 300 nm), TiO 2 (PS-25, 50 nm) and Co metallic powder (Nilaco, 28 nm) were mixed and hot pressed. Wear test was carried out in a pin-on-plate tribometer, with a frequency of 1 Hz, a load of 49 N, for 4h; the counterface used was Al 2O 3. Mechanical properties as Vickers hardness, fracture toughness and Young's modulus were estimated using the indentation method. Distilled water and fetal bovine serum solution (FBSS) were used as environment. It was found that the specific wear rate of Al 2O 3 nanocomposites was about 10 -8 mm 3/N*m and the coefficients of friction were around 0.3-0.5 for FBSS. Worn surfaces were observed using SEM.

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M3 - Conference contribution

AN - SCOPUS:70349860258

SN - 9780791843369

SP - 127

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BT - 2008 Proceedings of the STLE/ASME International Joint Tribology Conference, IJTC 2008

T2 - 2008 STLE/ASME International Joint Tribology Conference, IJTC 2008

Y2 - 20 October 2008 through 22 October 2008

ER -