Influence of external load on friction coefficient of Fe

Influence of external load on friction coefficient of Fe–polytetrafluoroethylene

Hao Xiu-Hong^{1, 2}, Pan Deng^{1, 2, †}, Zhang Ze-Yang¹, Wang Shu-Qiang^{1, 2}, Gao Yu-Jin³, Gu Da-Peng^{1, 2}

Snapshots of the structural evolution of one PTFE molecular chain under (a) 5 MPa, (b) 11 MPa, and (c) 18 MPa during the friction processes.