Abstract： To solve the large contact stress of high and secondary members with single material, the bimetal composite with high and low elastic modulus was designed to increase the contact deformation of the members and facilitate the existence of lubricant film with reduced friction. Based on Hertzian contact theory, the finite element model was established. Under the same load, the contact pressure and the contact deformation of single material and bimetallic composite elastomer were analyzed, and the friction and wear comparison tests were carried out. The results show that the bimetallic composite elastomer has relatively larger actual contact area than the single highside member, which can effectively reduce the contact stress.
2018, Vol. 39 
