B.N.G. Aliemeke, A.E. Akhigbe, B. Dirisu, H.A. Okwudibe
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引用次数: 0
摘要
在销盘式磨损试验机上成功地对铝合金和低碳钢的磨粒磨损进行了对比分析。研究了磨损、应力和应变对铝合金和低碳钢的影响。进行了磨损试验,确定了铝合金与低碳钢的磨损率差异。用于确定磨损率的输入参数是磨损时间、滑动距离、盘的轨迹直径和实验前后的质量差。有限元分析得到了铝合金和低碳钢试样在20 N (2kg)载荷作用下的应力和弹性应变分布。低碳钢的等效(Von Mises)应力分布最大应力值为0.023625 Mpa,最小应力值为1.444×10-5 Mpa,铝合金的最大应力值为0.0365 Mpa,最小应力值为8.5×10-5 Mpa。很明显,铝合金比低碳钢记录了更高的应力强度。这表明,相对较轻的铝合金比低碳钢承受更大的应力。人们发现,铝合金的磨损率比低碳钢高。
Comparative analysis of abrasive wear between aluminium alloy and mild steel in a pin-on-disc tribological test
A comparative analysis of the abrasive wear of aluminium alloy and mild steel on the pin-on-disc wear test machine has been successfully carried out. An investigation on the effects of wear, stress and strain on the aluminium alloy and the mild steel was conducted. The wear test carried out determined the difference between rate of wear of the aluminium alloy and the mild steel. The input parameters applied in determining the wear rate were time of wear, sliding distance, track diameter of the disc and mass difference before and after the experiment. The finite element analysis developed the stress and elastic strain distribution obtained on the application of 2 kg load (20 N) on the aluminium alloy and mild steel specimen. The equivalent (Von Mises) stress distribution in mild steel had a maximum stress value of 0.023625 Mpa and minimum stress of 1.444×10-5 Mpa while that of the aluminium alloy yielded a maximum and minimum stress of 0.0365 Mpa and 8.5×10-5 Mpa respectively. It was evident that the aluminium alloy recorded a higher magnitude of stress than the mild steel. This showed that the aluminium alloy being relatively light was more stressed than the mild steel. It was discovered that the rate of wear was higher in the aluminium alloy than in the mild steel.