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Tribology Letters

, 61:10 | Cite as

Unlubricated Tribological Performance of Aromatic Thermosetting Polyester (ATSP) Coatings Under Different Temperature Conditions

  • Pixiang Lan
  • Jacob L. Meyer
  • James Economy
  • Andreas A. Polycarpou
Original Paper

Abstract

The bearing systems in electrical submersible pumps (ESPs) require high-temperature and high-wear-resistance materials, which can improve the running life of ESPs and reduce the maintenance cost for oil wells. We report on the tribological performance of high-bearing Aromatic Thermosetting Polyester (ATSP) coatings, which were electrostatically spray-coated. ATSP coatings were tested under a sphere-on-disk configuration from room temperature to 260 °C. ATSP coatings showed “zero” wear under moderate load conditions (5 N, 70 MPa) and all temperatures and under higher loading conditions (10 N, 88 MPa) and room temperature. Scanning electron microscopy analysis indicated that the wear of the coating was mainly from burnishing of the asperity peaks of the coating. At the higher load and temperature (10 N, 260 °C), the coating failed due to cracks formed by elastic fatigue. For comparison, a commercial thermoplastic PEEK/PTFE coating was also tested under the same conditions. Unlike ATSP, PEEK/PTFE showed abrasive wear grooves and adhesive wear debris under its glass transition temperature. At temperatures higher than its glass transition temperature, PEEK/PTFE showed adhesive wear and plastic deformation.

Keywords

Aromatic Thermosetting Polyester (ATSP) PEEK PTFE Wear Friction 

Notes

Acknowledgments

This research work was supported in-part by the Turbomachinery Research Consortium, an organization of major turbomachinery developers and users who have joined with the Turbomachinery Laboratory at Texas A&M University to find answers to important questions about turbomachinery performance and reliability. The ATSP samples were provided by Bita Vaezian of ATSP Innovations. The authors would also like to thank Dr. Haejune Kim for help in obtaining the SEM images.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Pixiang Lan
    • 1
  • Jacob L. Meyer
    • 2
  • James Economy
    • 2
  • Andreas A. Polycarpou
    • 1
  1. 1.Department of Mechanical EngineeringTexas A&M UniversityCollege StationUSA
  2. 2.Department of Materials Science and EngineeringUniversity of Illinois at Urbana-ChampaignUrbanaUSA

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