Effect of graphene loaded alumina nanofillers on the tribological properties of polytetrafluoroethylene composite coating
Source abstract
Abstract
Abstract Polytetrafluoroethylene (PTFE) has excellent anti‐friction self‐lubrication performance and poor wear resistance. To improve the wear resistance of PTFE, three types of composite coatings, including Al 2 O 3 /PTFE, graphene (GNS)/PTFE, and GNS‐supported Al 2 O 3 (Al 2 O 3 @GNS)/PTFE, were prepared on the copper powder porous plates by hot‐rolling. The friction and wear properties of the three composite coatings are compared with pure PTFE coatings under different loads. The results show that under a 4 N load, the average friction coefficient of Al 2 O 3 @GNS/PTFE is 26.1% lower than that of pure PTFE. When the load is 10 N, the average friction coefficient of the Al 2 O 3 @GNS/PTFE coating is 53.8% lower than that of pure PTFE. The Al 2 O 3 @GNS/PTFE coating has the lowest wear rate under the three loads. In addition, the coating has the most flat and dense wear marks and forms a high‐quality transfer film on the surface of the dual parts. Therefore, the Al 2 O 3 @GNS/PTFE coating exhibits excellent anti‐friction and wear properties. Highlights Alumina‐supported graphene can play a synergistic role for the two fillers. The prepared PTFE composite has excellent antifriction and wear resistance. The morphology and tribochemical reaction of the transfer film were studied.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Tribology and Wear Analysis · Polymer Nanocomposite Synthesis and Irradiation · Material Properties and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical Engineering Hefei University of Technology Hefei China
Anhui Province Key Laboratory of Critical Friction Pair for Advanced Equipment Hefei University of Technology Hefei China
References (40)
Show source-provided references
1. 10.1016/j.surfcoat.2016.09.00110.1016/j.surfcoat.2016.09.001 ↗
2. The friction and transfer of polytetrafluoroethylene10.1098/rspa.1964.0168 ↗
3. 10.1007/s11249‐021‐01508‐910.1007/s11249‐021‐01508‐9 ↗
4. 10.1021/acs.macromol.5b0045210.1021/acs.macromol.5b00452 ↗
5. 10.1016/j.triboint.2020.10679210.1016/j.triboint.2020.106792 ↗
6. 10.1016/0043-1648(92)90271-910.1016/0043-1648(92)90271-9 ↗
7. 10.1002/mame.20060041610.1002/mame.200600416 ↗
8. 10.1007/s11249-009-9519-210.1007/s11249-009-9519-2 ↗
9. 10.1016/0043‐1648(92)90039‐b10.1016/0043‐1648(92)90039‐b ↗
10. The friction and Wear performance of polytetrafluoroethylene coating reinforced with modified graphene
11. 10.1016/j.triboint.2015.01.01910.1016/j.triboint.2015.01.019 ↗
12. 10.1007/s11249‐019‐1141‐310.1007/s11249‐019‐1141‐3 ↗
13. Effects of copper nanoparticles located in diferent regions of polytetrafuoroethylene/polyimide blends on the morphology, mechanical and tribological properties of PTFE composites
14. 10.1016/j.triboint.2015.08.03810.1016/j.triboint.2015.08.038 ↗
15. 10.1016/j.matdes.2011.11.03410.1016/j.matdes.2011.11.034 ↗
16. 10.1016/j.apsusc.2015.05.06810.1016/j.apsusc.2015.05.068 ↗
17. 10.1177/135065011875447810.1177/1350650118754478 ↗
18. 10.3390/polym1208167610.3390/polym12081676 ↗
19. 10.1016/j.matdes.2003.10.00910.1016/j.matdes.2003.10.009 ↗
20. 10.1016/j.compscitech.2005.05.02810.1016/j.compscitech.2005.05.028 ↗
21. 10.1007/s11249-009-9519-210.1007/s11249-009-9519-2 ↗
22. Effect of particle size on the Wear resistance of alumina‐filled PTFE micro‐ and nanocomposites
23. 10.1016/j.wear.2007.04.00710.1016/j.wear.2007.04.007 ↗
24. 10.1016/j.apsusc.2011.01.08410.1016/j.apsusc.2011.01.084 ↗
25. 10.1016/j.corsci.2015.05.05610.1016/j.corsci.2015.05.056 ↗
26. 10.1016/j.corsci.2012.12.01410.1016/j.corsci.2012.12.014 ↗
27. 10.1016/j.corsci.2011.12.00310.1016/j.corsci.2011.12.003 ↗
28. 10.1021/acs.jpcc.5b0094710.1021/acs.jpcc.5b00947 ↗
29. 10.1080/10402004.2013.86156710.1080/10402004.2013.861567 ↗
30. 10.1166/jctn.2012.221310.1166/jctn.2012.2213 ↗
31. 10.1007/s11249‐020‐01398‐310.1007/s11249‐020‐01398‐3 ↗
32. 10.1177/135065011775400010.1177/1350650117754000 ↗
33. 10.1016/j.triboint.2019.02.03110.1016/j.triboint.2019.02.031 ↗
34. 10.1016/j.carbon.2013.09.01610.1016/j.carbon.2013.09.016 ↗
35. 10.1007/s11814-009-0048-310.1007/s11814-009-0048-3 ↗
36. 10.1016/j.scriptamat.2005.06.01110.1016/j.scriptamat.2005.06.011 ↗
37. 10.1016/j.carbon.2014.06.07410.1016/j.carbon.2014.06.074 ↗
38. Study on tribological properties evolution of PTFE composites filled with PEEK and nano‐Al2O3 based on block‐on‐ring friction model
39. 10.1080/10402004.2017.139509910.1080/10402004.2017.1395099 ↗
40. 10.1021/la00024a03710.1021/la00024a037 ↗