Study on the Mechanism of Heat Generation and Dissipation During High-speed Friction

High temperature and structural damage will appear on the interface during high-speed friction. It leads to the failure of the friction system and cause huge losses. Due to the closed nature of the friction interface, it is difficult to observe the temperature change of the interface. Besides, the heat transfer mechanism of the interface is not completely clear. Based on the above situation, this paper aim to conduct in-depth research on the high-speed friction process. A molecular dynamics model of the high-speed friction process is established, the generation mechanism of friction heat is analyzed from the perspective of microscopic energy conversion. The expression of friction heat distribution of the friction material is obtained, which is help for establishing the accurate friction heat dissipation model.