Research on stick–slip behavior and tribological properties of ethylene–propylene diene monomer under various wear velocity conditions

Abstract

The stick–slip behavior and wear mechanism of ethylene–propylene diene monomer (EPDM) under various wear velocity conditions are investigated using a friction and wear testing machine. A change of wear velocity does not lead to the decomposition of the compounds and the formation of new compounds in EPDM. However, the friction coefficient tends to decrease with increasing wear velocity, but the noise intensity generated during the wear process tends to become stronger. In addition, the lag time tends to decrease as the wear velocity increases, but the rate of decrease in the lag time gradually slows down. Both adhesive wear and abrasive wear occur in the wear process of EPDM under different wear velocity conditions. Moreover, increasing the wear velocity leads to Schallamach waves on the EPDM wear morphology becoming larger. The results reveal the stick–slip behavior and tribological properties of EPDM under various wear velocity conditions. © 2022 Society of Industrial Chemistry.

A novel method for exploring the wear resistance characteristics of ethylene propylene diene monomers‐polyamide elastomers with nano‐graphite

“…From the microscopic point of view, the internal friction loss of the molecular chains inside the elastomer and the interfacial interaction between the elastomer and the abrasive surface are important factors affecting the wear properties. [24][25][26][27][28] The wear-resistant elastomers with different wear characteristics can be prepared based on the microscopic network structure. This novel research perspective for exploring the wear properties of polymer elastomers is currently in a gap, and there is an urgent need for theoretical investigations to support it.…”

“…When relative motion occurs between the elastomer and the abrasive surface in contact, elastic deformation, viscous deformation, and plow furrow effect occur due to mechanical action. From the microscopic point of view, the internal friction loss of the molecular chains inside the elastomer and the interfacial interaction between the elastomer and the abrasive surface are important factors affecting the wear properties 24–28 . The wear‐resistant elastomers with different wear characteristics can be prepared based on the microscopic network structure.…”

Preparation and characterization of ethylene‐propylene‐diene monomer rubber/metal hydroxide composites by electron beam irradiation

“…These dienes have unsaturated groups that facilitate cross‐linking 1,2 . EPDM offers numerous advantageous properties, such as weathering resistance, ozone resistance, oxidation resistance, and electrical insulation 3–5 . Consequently, EPDM finds applications in wire insulation, automobile tires, automobile door sealing materials and hoses, and building materials 6–8 .…”

A new method for studying the wear properties of novel wear‐resistant ethylene propylene diene monomers/polyamide elastomer material from the perspective of cross‐linked network structure

“…This provides a new idea for us to study the friction and wear behavior of rubber elastomers. [14][15][16][17][18] Changes in the microscopic cross-linked network led to changes in the macroscopic mechanical properties, which reflected the fact that structure determines performance. The contribution of rubber polymers' complex cross-linked network system to their friction and wear properties was significant.…”

“…The change in the cross‐linked degree changes the molecular chain structure and viscoelastic properties in the system, which affects the friction behavior and wear properties. This provides a new idea for us to study the friction and wear behavior of rubber elastomers 14–18 …”