Friction and Wear Behavior of Resin/Graphite Composite under Dry Sliding

doi:10.1016/j.jmst.2014.10.004

Abstract

Abstract: The friction and wear behavior of resin/graphite composite has been investigated using a pin-on-disc configuration under dry sliding condition. The results showed that the resin/graphite composite exhibited much better mechanical and tribological properties compared with the unimpregnated graphite. The friction coefficient was reduced by addition of furan resin, which could also prevent the “dusting” wear at loads more than 15 MPa. The steady and lubricated transfer film was easily formed on the counterpart surface due to the interaction of furan resin and wear debris of graphite, which was useful to reduce the wear rate of the resin/graphite composite. The composite is highly promising for mechanical sealing application and can be used at high load for long time sliding.

Key words: Resin/graphite composite, Friction and wear, “, Dusting”, wear, Transfer film

Zhenguo Zhu, Shuo Bai, Junfeng Wu, Li Xu, Ting Li, Yong Ren, Chang Liu. Friction and Wear Behavior of Resin/Graphite Composite under Dry Sliding[J]. J. Mater. Sci. Technol., 2015, 31(3): 325-330.

Figures/Tables 11

Schematic of sliding friction test.

Microstructure of the resin/graphite composite.

Representative SEM images of the fracture surfaces of (a) the graphite, (b) the resin/graphite composite and (c) furan resin in the composite.

Relationship of friction coefficient of the graphite and its composite versus applied loads.

Friction behavior of (a) the graphite and (b) the resin/graphite composite at a load of 15 MPa.

(a) Relationship between the highest temperature and thermocouple temperature

(b) the representative friction temperature field during “

dusting wear”

as recorded by an infrared thermal imager.

TG/DSC/MS profiles of the furan resin being heated to 300 °

C at a ramping rate of 5 °

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