Abstract: In this paper, a fretting damage model based on fractal theory is proposed. The Weierstrass–Mandelbrot function of fractal theory is used to represent the rough contact surface, and a corresponding contact parameter analysis ...

Abstract: This paper presents a novel pressureresistant oilimmersed proportional actuator with a magnetic grid magneticisolated ring (MGMR) on its singlepiece sleeve. A twodimensional finite element method is used to establish the ...

Abstract: In this paper, the flattening process of a coated single asperity by a rigid flat is studied based on a two-dimensional finite element model under different contact interferences. The soft coating and hard substrate materials ...

Abstract: Composite pistons are often used in heavy duty diesel engines due to its good reliability and durability. Owing to the alternating loads, fretting wear usually happens on the mating surfaces between piston crown and skirt. ...