The definition of a plain bearing is given.The requirements for bearing materials are pro-posed.The historical perspective and recent development of the bearing
This paper reveals the morphological characteristics of the cracks formed in H68A brass tubes fully immersed in seawater, and studies the depth profiles of the
The ordering of bainite is studied and compared with that of martensite in a Cu-20Zn-6Al(wt—%) alloy by X-ray analysis. Experilnental results show that in contr