Investigation of the role of tribofilms in self-mating CoCrMo systems utilizing a quartz crystal microtribometer

R. Pourzal; E. J. Martin; S. Vajpayee; Y. Liao; M. A. Wimmer; K. R. Shull

doi:10.1016/j.triboint.2013.12.015

Investigation of the role of tribofilms in self-mating CoCrMo systems utilizing a quartz crystal microtribometer

R. Pourzal, E. J. Martin, S. Vajpayee, Y. Liao, M. A. Wimmer, K. R. Shull^*

^*Corresponding author for this work

Materials Science and Engineering

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

13 Scopus citations

Abstract

A new experimental device has been developed to investigate the properties of tribofilms as they occur in hip implants made from CoCrMo alloys. The device has the ability to detect small mass changes on the alloy surface and consists of CoCrMo alloy pins articulating against a quartz crystal that is sputter coated with the same CoCrMo alloy. The instrument not only measures normal and friction forces, but the quartz substrate also enables the in situ quantification of mass changes due to wear or tribofilm formation with a quartz crystal microbalance (QCM). The functionality of the test rig is demonstrated in a pilot study with different testing fluids, and methods to pre-condition surfaces with a tribofilm-like material are described.

Original language	English (US)
Pages (from-to)	161-171
Number of pages	11
Journal	Tribology International
Volume	72
DOIs	https://doi.org/10.1016/j.triboint.2013.12.015
State	Published - Apr 2014

Keywords

Friction
Hip joint
QCM
Tribofilm

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/j.triboint.2013.12.015

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title = "Investigation of the role of tribofilms in self-mating CoCrMo systems utilizing a quartz crystal microtribometer",

abstract = "A new experimental device has been developed to investigate the properties of tribofilms as they occur in hip implants made from CoCrMo alloys. The device has the ability to detect small mass changes on the alloy surface and consists of CoCrMo alloy pins articulating against a quartz crystal that is sputter coated with the same CoCrMo alloy. The instrument not only measures normal and friction forces, but the quartz substrate also enables the in situ quantification of mass changes due to wear or tribofilm formation with a quartz crystal microbalance (QCM). The functionality of the test rig is demonstrated in a pilot study with different testing fluids, and methods to pre-condition surfaces with a tribofilm-like material are described.",

keywords = "Friction, Hip joint, QCM, Tribofilm",

author = "R. Pourzal and Martin, {E. J.} and S. Vajpayee and Y. Liao and Wimmer, {M. A.} and Shull, {K. R.}",

note = "Funding Information: This work was funded by the National Institute of Health (NIH Grant RC2 AR058993 ). The authors would like to thank Prof. Alfons Fischer and Priska Stemmer (University of Duisburg-Essen, Germany), Prof. Laurence Marks and Dr. Wesley Burghardt (Northwestern University, Evanston, IL), Dr. Mathew T. Mathew and Dr. Joshua J. Jacobs (Rush University Medical Center, Chicago, IL) for a variety of helpful discussions. FIB and Raman spectroscopy were performed at NUANCE facility at Northwestern University, which is supported by the NSF, NSEC, NSF-MRSEC , Keck-Foundation, and the State of Illinois. Sputtering was carried out at NUFAB facility at Northwestern University.",

year = "2014",

month = apr,

doi = "10.1016/j.triboint.2013.12.015",

language = "English (US)",

volume = "72",

pages = "161--171",

journal = "Tribology International",

issn = "0301-679X",

publisher = "Elsevier Inc.",

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AU - Pourzal, R.

AU - Martin, E. J.

AU - Vajpayee, S.

AU - Liao, Y.

AU - Wimmer, M. A.

AU - Shull, K. R.

N1 - Funding Information: This work was funded by the National Institute of Health (NIH Grant RC2 AR058993 ). The authors would like to thank Prof. Alfons Fischer and Priska Stemmer (University of Duisburg-Essen, Germany), Prof. Laurence Marks and Dr. Wesley Burghardt (Northwestern University, Evanston, IL), Dr. Mathew T. Mathew and Dr. Joshua J. Jacobs (Rush University Medical Center, Chicago, IL) for a variety of helpful discussions. FIB and Raman spectroscopy were performed at NUANCE facility at Northwestern University, which is supported by the NSF, NSEC, NSF-MRSEC , Keck-Foundation, and the State of Illinois. Sputtering was carried out at NUFAB facility at Northwestern University.

PY - 2014/4

Y1 - 2014/4

N2 - A new experimental device has been developed to investigate the properties of tribofilms as they occur in hip implants made from CoCrMo alloys. The device has the ability to detect small mass changes on the alloy surface and consists of CoCrMo alloy pins articulating against a quartz crystal that is sputter coated with the same CoCrMo alloy. The instrument not only measures normal and friction forces, but the quartz substrate also enables the in situ quantification of mass changes due to wear or tribofilm formation with a quartz crystal microbalance (QCM). The functionality of the test rig is demonstrated in a pilot study with different testing fluids, and methods to pre-condition surfaces with a tribofilm-like material are described.

AB - A new experimental device has been developed to investigate the properties of tribofilms as they occur in hip implants made from CoCrMo alloys. The device has the ability to detect small mass changes on the alloy surface and consists of CoCrMo alloy pins articulating against a quartz crystal that is sputter coated with the same CoCrMo alloy. The instrument not only measures normal and friction forces, but the quartz substrate also enables the in situ quantification of mass changes due to wear or tribofilm formation with a quartz crystal microbalance (QCM). The functionality of the test rig is demonstrated in a pilot study with different testing fluids, and methods to pre-condition surfaces with a tribofilm-like material are described.

KW - Friction

KW - Hip joint

KW - QCM

KW - Tribofilm

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Investigation of the role of tribofilms in self-mating CoCrMo systems utilizing a quartz crystal microtribometer

Abstract

Keywords

ASJC Scopus subject areas

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