Wear behaviour of UHMWPE against DC-pulsed plasma nitrided and duplex treated AISI 316L used in hip joint replacements

Ezequiel Perez; Leonardo Pazos; Evangelina Las De Heras; Belén Parodi; Pablo Corengia; Iñigo Braceras

doi:10.1002/ppap.200930306

Wear behaviour of UHMWPE against DC-pulsed plasma nitrided and duplex treated AISI 316L used in hip joint replacements

Ezequiel Perez, Leonardo Pazos, Evangelina Las De Heras, Belén Parodi, Pablo Corengia, Iñigo Braceras

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

4 Citations (Scopus)

Abstract

Wear behaviour of the artificial joint replacements plays a critical role in implant failure. The UHMWPE-AISI 316L tribological system, widely used on joint prostheses, was studied. Two surface modifications were applied to the stainless steel counterface: DC-pulsed plasma nitriding and duplex (DC-pulsed plasma nitriding + TiN coating by cathodic-arc evaporation) treatments. An Amsler Disc Machine Type A-135 was used as an approximation to real loading conditions. Worn surfaces, weight loss curves and wear debris were analysed. The results show that the nitriding and duplex treatments improve the wear resistance of the tribological system. Different types of damages were observed on the UHMWPE worn surfaces depending on the surface treatment of the stainless steel.

Original language	English
Pages (from-to)	S75-S80
Journal	Plasma Processes and Polymers
Volume	6
Issue number	SUPPL. 1
DOIs	https://doi.org/10.1002/ppap.200930306
Publication status	Published - 2009

Keywords

Austenitic stainless steel
Joint replacement
Plasma treatment
UHMWPE
Wear

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10.1002/ppap.200930306

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abstract = "Wear behaviour of the artificial joint replacements plays a critical role in implant failure. The UHMWPE-AISI 316L tribological system, widely used on joint prostheses, was studied. Two surface modifications were applied to the stainless steel counterface: DC-pulsed plasma nitriding and duplex (DC-pulsed plasma nitriding + TiN coating by cathodic-arc evaporation) treatments. An Amsler Disc Machine Type A-135 was used as an approximation to real loading conditions. Worn surfaces, weight loss curves and wear debris were analysed. The results show that the nitriding and duplex treatments improve the wear resistance of the tribological system. Different types of damages were observed on the UHMWPE worn surfaces depending on the surface treatment of the stainless steel.",

keywords = "Austenitic stainless steel, Joint replacement, Plasma treatment, UHMWPE, Wear",

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AU - Perez, Ezequiel

AU - Pazos, Leonardo

AU - De Heras, Evangelina Las

AU - Parodi, Belén

AU - Corengia, Pablo

AU - Braceras, Iñigo

PY - 2009

Y1 - 2009

N2 - Wear behaviour of the artificial joint replacements plays a critical role in implant failure. The UHMWPE-AISI 316L tribological system, widely used on joint prostheses, was studied. Two surface modifications were applied to the stainless steel counterface: DC-pulsed plasma nitriding and duplex (DC-pulsed plasma nitriding + TiN coating by cathodic-arc evaporation) treatments. An Amsler Disc Machine Type A-135 was used as an approximation to real loading conditions. Worn surfaces, weight loss curves and wear debris were analysed. The results show that the nitriding and duplex treatments improve the wear resistance of the tribological system. Different types of damages were observed on the UHMWPE worn surfaces depending on the surface treatment of the stainless steel.

AB - Wear behaviour of the artificial joint replacements plays a critical role in implant failure. The UHMWPE-AISI 316L tribological system, widely used on joint prostheses, was studied. Two surface modifications were applied to the stainless steel counterface: DC-pulsed plasma nitriding and duplex (DC-pulsed plasma nitriding + TiN coating by cathodic-arc evaporation) treatments. An Amsler Disc Machine Type A-135 was used as an approximation to real loading conditions. Worn surfaces, weight loss curves and wear debris were analysed. The results show that the nitriding and duplex treatments improve the wear resistance of the tribological system. Different types of damages were observed on the UHMWPE worn surfaces depending on the surface treatment of the stainless steel.

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KW - Wear

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Wear behaviour of UHMWPE against DC-pulsed plasma nitrided and duplex treated AISI 316L used in hip joint replacements

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Keywords

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