2013
DOI: 10.1016/j.wear.2013.02.011
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Experimental and analytical thermal study of PTFE composite sliding against high carbon steel as a function of the surface roughness, sliding velocity and applied load

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Cited by 55 publications
(27 citation statements)
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“…A full account upon the specific scroll expander technology and its operational conditions can be found in Reference 37. Results showed that cavitation erosion across the steel plate of the scroll expander is one of the main mechanisms, apart the primary tribological mechanisms governing the contact of the two involute spiral scrolls discussed in previous studies, [38,39] which can seriously affect the lifecycle of a scroll system. Specifically, many cavitation pit clusters were identified across the steel plate (indicated by black arrows in Figure 2(c) and seen in detail in Figure 3), in the area close to the high-pressure region in the suction port of the scroll.…”
Section: A Characterisation Of An Eroded Scroll Expander Partmentioning
confidence: 89%
“…A full account upon the specific scroll expander technology and its operational conditions can be found in Reference 37. Results showed that cavitation erosion across the steel plate of the scroll expander is one of the main mechanisms, apart the primary tribological mechanisms governing the contact of the two involute spiral scrolls discussed in previous studies, [38,39] which can seriously affect the lifecycle of a scroll system. Specifically, many cavitation pit clusters were identified across the steel plate (indicated by black arrows in Figure 2(c) and seen in detail in Figure 3), in the area close to the high-pressure region in the suction port of the scroll.…”
Section: A Characterisation Of An Eroded Scroll Expander Partmentioning
confidence: 89%
“…Even if the contact area significantly affects the results obtained, there are no standard criterion and each model uses different approaches [9]. In the case of polymers, contact temperature estimations are even more complex as their thermo-mechanical properties are strongly influenced by temperature [10][11][12][13][14][15][16]. The importance of considering the evolution of material properties in the case of Polytetrafluoroethylene (PTFE) polymers has been already demonstrated [14,15].…”
Section: Introductionmentioning
confidence: 99%
“…The importance of considering the evolution of material properties in the case of Polytetrafluoroethylene (PTFE) polymers has been already demonstrated [14,15]. In particular, Tzanakis et al [12] studied the effect of roughness, friction coefficient, contact pressure and velocity on the flash temperatures generated on a PTFE composite elastomer tip seal in contact with a high carbon steel plate under dry sliding conditions. The authors found a specific value of roughness which leads to a higher temperature rise, and that the effect of roughness and sliding velocity was larger than the effect of load.…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, in domestic and foreign scientific literature much attention is paid to the theoretical (numerical, analytical) and experimental studies of the bearing performance of polymeric "dry friction" bearings [4][5][6][7][8][9][10][11][12]. The widely used polymer in the manufacture of bearing is PTFE-4.…”
Section: Introductionmentioning
confidence: 99%