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Uncertainty in Pin-on-Disk Wear Volume Measurements Using Surface Scanning Techniques

  • Tribology Methods
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Abstract

The uncertainty of wear volumes measured using surface scanning techniques is often neglected or assumed to be equivalent to the instrument error. A method is proposed that accounts for the number of wear volume scans, the variations in those scans, and the geometry of the experimental system as an improved measure of uncertainty. It demonstrates that the uncertainty in volume is directly correlated to the number of scans taken. A non-uniform wear track was used to validate the method, and the minimal and optimal number of scans was found.

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Acknowledgments

The authors would like to express their gratitude to James H. Keith and Daniel J. Dickrell III for their helpful discussions.

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Authors and Affiliations

  1. Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL, 32611, USA

    R. S. Colbert, B. A. Krick, A. C. Dunn, J. R. Vail, N. Argibay & W. G. Sawyer

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  1. R. S. Colbert
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  2. B. A. Krick
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  3. A. C. Dunn
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  4. J. R. Vail
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  5. N. Argibay
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  6. W. G. Sawyer
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Correspondence to W. G. Sawyer.

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Colbert, R.S., Krick, B.A., Dunn, A.C. et al. Uncertainty in Pin-on-Disk Wear Volume Measurements Using Surface Scanning Techniques. Tribol Lett 42, 129–131 (2011). https://doi.org/10.1007/s11249-010-9744-8

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  • DOI: https://doi.org/10.1007/s11249-010-9744-8

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