From past research studies found that the process of making a serious, permanent damage (Severe plastic deformation, SPD) can produce materials with grainy resolution (ultrafine-grained (UFG) material) or other material that undergoes a severe permanent damage done to a smaller bit size compared to the initial material. Most of the analysis results, which showed that the SPD through the UFG material with a smaller bit size and mechanical properties better both in terms of strength and flexibility, but education about the resistance to wear (wear resistance) there is still a small amount.
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