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Research Papers: Friction and Wear

Application of a Thermodynamically Based Wear Estimation Methodology

[+] Author and Article Information
A. B. Aghdam

Department of Mechanical
and Industrial Engineering,
Louisiana State University,
2508, Patrick Taylor Hall,
Baton Rouge, LA 70803

M. M. Khonsari

Department of Mechanical
and Industrial Engineering,
Louisiana State University,
2508, Patrick Taylor Hall,
Baton Rouge, LA 70803
e-mail: Khonsari@me.lsu.edu

1Corresponding author.

Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received June 23, 2015; final manuscript received February 12, 2016; published online April 21, 2016. Assoc. Editor: Sinan Muftu.

J. Tribol 138(4), 041601 (Apr 21, 2016) (8 pages) Paper No: TRIB-15-1225; doi: 10.1115/1.4032842 History: Received June 23, 2015; Revised February 12, 2016

Entropic and energy-based approaches are employed for prediction of wear in dry sliding contact between crossed cylinders. The methodology requires measurement or estimation of the temperature rise in the sliding system. The results of experimental tests reported in literature in conjunction with measured degradation coefficients are used to examine the validity of the proposed methodology. The approach presented is shown to be capable of predicting the wear rate for different tribopairs and under different loading conditions.

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References

Figures

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Fig. 1

Schematic view of the test setup [6], showing the stationary cylinder (1) pressed against the rotating disk (2) in crossed-configuration dry sliding contact

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Fig. 2

Wear rate plotted versus power dissipation for the tests carried out by Ramalho and Miranda [6] on friction pair AISI M2 on AISI 1037 (a) and AISI M2 on AISI 52100 (b)

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Fig. 3

FE model of disk (right) and the cylinder (left) in flexpde solver

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Fig. 4

Wear rate plotted versus entropy generation for the tests carried out by Ramalho and Miranda [6] with AISI M2 on AISI 1037 (a) and on AISI M2 on AISI 52100 (b)

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Fig. 5

Power dissipation plotted versus the temperature rise at the center of rotating disk for the tests carried out by Ramalho and Miranda [6] on AISI M2 on AISI 1037 (a) and on AISI M2 on AISI 52100 (b)

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Fig. 6

Predicted and measured wear rates plotted versus the temperature rise at the center of rotating disk for the tests carried out by Ramalho and Miranda [6] with AISI M2 on AISI 1037 (a) and AISI M2 on AISI 52100 (b)

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