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Investigation of the Tribological Behavior of Eutectic Al-Si Casting Alloy | ||
| Tikrit Journal of Engineering Sciences | ||
| Article 1, Volume 24, Issue 3, 2017, Pages 42-46 PDF (0 K) | ||
| Author | ||
| Riyadh Azzawi Badr | ||
| Abstract | ||
| The effect of roughness of Al-Si alloy on the wear is investigated. Roughness average (Ra) was verified via different polishing, also was using a pin–on-disc of different loads (5, 10, 15) N, different speeds (100, 200, 300) rpm and relative humidity 74%. Different values of Ra are obtained with (3, 5 and 7) µm. Worn surface were characterized using SEM / EDX. The results show that the wear rate of Al-Si eutectic alloys increases with the roughness increase. It was noticed that the specific and wear decreases as roughness decreases. Severe wear was observed at all loads. | ||
| Keywords | ||
| Sliding wear; surface analysis; wear testing; roughness | ||
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