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Design of a tribotester for evaluation of polymer components under static and dynamic sliding conditions

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Abstract
Coefficients of friction and wear lifetime for machine elements are usually estimated from pin-on-disc tests under fixed test conditions. The experimental design of a tribotester with variable sliding path, dynamically changing normal loads, and sliding velocities is presented in this paper together with a preliminary evaluation of sliding properties for engineering polymers. The design of a dynamic loading mechanism and control of the sliding motion are detailed. The importance of dynamic testing is illustrated for polyamides and polyacetals under pure, internally lubricated and glass fibre-reinforced conditions. Dynamic tests induce lower friction compared with static tests because of influences of visco-elastic deformation, inertia forces, and possibly molecular orientation on the sliding surface. Internal lubricants efficiently reduce friction and wear both under static and dynamic conditions. Glass fibres more effectively reduce wear rates on dynamic tests indicating different wear debris mobility in the interface.
Keywords
PTFE, CONTACT, BEHAVIOR, COMPOSITES, COUNTERFACE, FATIGUE, WEAR CHARACTERISTICS, MOLECULAR-WEIGHT POLYETHYLENE, deformation, polymers, dynamic, static, tribotesting, FRICTION

Citation

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Chicago
Samyn, Pieter, G Kalacska, R Keresztes, L Zsidai, and Patrick De Baets. 2007. “Design of a Tribotester for Evaluation of Polymer Components Under Static and Dynamic Sliding Conditions.” Proceedings of the Institution of Mechanical Engineers Part J-journal of Engineering Tribology 221 (J6): 661–674.
APA
Samyn, Pieter, Kalacska, G., Keresztes, R., Zsidai, L., & De Baets, P. (2007). Design of a tribotester for evaluation of polymer components under static and dynamic sliding conditions. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 221(J6), 661–674.
Vancouver
1.
Samyn P, Kalacska G, Keresztes R, Zsidai L, De Baets P. Design of a tribotester for evaluation of polymer components under static and dynamic sliding conditions. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY. 2007;221(J6):661–74.
MLA
Samyn, Pieter, G Kalacska, R Keresztes, et al. “Design of a Tribotester for Evaluation of Polymer Components Under Static and Dynamic Sliding Conditions.” PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY 221.J6 (2007): 661–674. Print.
@article{689840,
  abstract     = {Coefficients of friction and wear lifetime for machine elements are usually estimated from pin-on-disc tests under fixed test conditions. The experimental design of a tribotester with variable sliding path, dynamically changing normal loads, and sliding velocities is presented in this paper together with a preliminary evaluation of sliding properties for engineering polymers. The design of a dynamic loading mechanism and control of the sliding motion are detailed. The importance of dynamic testing is illustrated for polyamides and polyacetals under pure, internally lubricated and glass fibre-reinforced conditions. Dynamic tests induce lower friction compared with static tests because of influences of visco-elastic deformation, inertia forces, and possibly molecular orientation on the sliding surface. Internal lubricants efficiently reduce friction and wear both under static and dynamic conditions. Glass fibres more effectively reduce wear rates on dynamic tests indicating different wear debris mobility in the interface.},
  author       = {Samyn, Pieter and Kalacska, G and Keresztes, R and Zsidai, L and De Baets, Patrick},
  issn         = {1350-6501},
  journal      = {PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY},
  language     = {eng},
  number       = {J6},
  pages        = {661--674},
  title        = {Design of a tribotester for evaluation of polymer components under static and dynamic sliding conditions},
  url          = {http://dx.doi.org/10.1243/13506501JET266},
  volume       = {221},
  year         = {2007},
}

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