copper

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In addition, the swaged Cu exhibits a lot reduce wear rates than these of the CG Cu counterpart, and anisotropic wear behavior with higher put on rate when wearing from side than that from top rated. SEM observation identified that when wearing from side, the lamella grains had been peeled off, whilst when wearing from prime, the equiaxed ultrafine grains have much more fantastic wearing resistance (Supplementary Fig.10). In literature, UFG materials are reported to have exceptional wearing resistance due to their higher hardness43,44. Copper and its alloys are readily assembled by any of the a variety of mechanical or...