1College of Polytechnics;
Yunnan Agriculture University;
Kunming;
China 2Department of Engineering Mechanics;
Kunming University of Science and Technology;
Kunming;
China 3Yunnan Traffic Co.;
Ltd.;
Kunming;
China;
A; Riveted; Two; Aluminum; Specimen; Crack; Initiation; Frictional; Coefficient; Fatigue; Loads;