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TECHNICAL PAPERS

Microstructural Changes and Contact Temperatures During Fretting in Steel-Steel Contact

[+] Author and Article Information
B. Podgornik, M. Kalin, J. Vižintin

University of Ljubljana, Center for Tribology and Technical Diagnostics, Bogišičeva 8, SI-1000 Ljubljana, Slovenia

F. Vodopivec

Institute of Metals and Technologies, Lepi pot 11, SI-1000 Ljubljana, Slovenia

J. Tribol 123(4), 670-675 (Aug 31, 2000) (6 pages) doi:10.1115/1.1330734 History: Received March 14, 2000; Revised August 31, 2000
Copyright © 2001 by ASME
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References

Figures

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Cross-section of the wear scar at an amplitude of 5 microns after 360 min test time
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Micrograph of the white layer produced at 5 microns amplitude: (a) 5.4 microns below surface; and (b) 9.6 microns below surface
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Cross-section of the wear scar at an amplitude of 25 microns after 360 min test time
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Cross-section of the wear scar at an amplitude of 50 microns after 360 min test time
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Micrograph of the white layer produced at 75 microns amplitude: (a) 16 microns below surface; and (b) 24.4 microns below surface
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Real and nominal contact area
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Contact temperature rise as a function of contact area between 100 percent and 1 percent of nominal contact area for various selected models and displacement amplitudes: (a) 5 μm; (b) 25 μm; (c) 50 μm; and (d) 75 μm
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Stick region of the worn area on a flat specimen at an amplitude of 5 microns after 360 min test time
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Initial microstructure: martensite and non-dissolved carbide particles
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White phase microstructure with equiaxial carbide particles (75 microns amplitude)

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