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RESEARCH PAPERS

Experimental Characterization of the Influence of Coating Materials on the Hydrodynamic Behavior of Thrust Bearings: A Comparison of Babbitt, PTFE, and PFA

[+] Author and Article Information
C. A. Mahieux

Alstom (Switzerland) Ltd. Hydrogenerateur Technology Center CH-5242 Birr Switzerland

J. Tribol 127(3), 568-574 (Jun 13, 2005) (7 pages) doi:10.1115/1.1843160 History: Received June 24, 2003; Revised January 15, 2004; Online June 13, 2005
Copyright © 2005 by ASME
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References

Figures

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Picture of pads on disk in operating position
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Pad geometry (in millimeters). Lower pad (upper pad geometry obtained via mirror symmetry).
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Babbitt 1000 rpm, 2.5 MPa applied mean pressure, 60°C, pressure profiles
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PTFE 1000 rpm, 2.5 MPa applied mean pressure, 60°C, pressure profiles
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PFA 1000 rpm, 2.5 MPa applied mean pressure, 60°C, pressure profiles
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Pmax/Pmean versus speed under 2, 3, and 4 MPa at 60°C for Babbitt, PTFE, and PFA
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Tangential angle versus speed under 2, 3, and 4 MPa at 60°C for Babbitt, PTFE, and PFA
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Radial angle (tilting) versus speed under 2, 3, and 4 MPa for Babbitt, PTFE, and PFA
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Drive power versus speed under 2, 3, and 4 MPa at 60°C for Babbitt, PTFE, and PFA
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Tpad versus speed under 2, 3, and 4 MPa at 60°C for Babbitt, PTFE, and PFA
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h2 versus speed under 2, 3, and 4 MPa at 60°C for Babbitt, PTFE, and PFA
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h1 versus speed under 2, 3, and 4 MPa at 60°C for Babbitt, PTFE, and PFA

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