Aluminium alloys are gradually replacing grey cast iron in the automotive industry thanks to its low density. The purpose of this study is to evaluate tribological properties of 2024A anodized aluminium alloy under severe wear conditions. For this aim we are investigating the effect of the sliding speed and the anodic layer in order to improve the wear resistance and friction properties of 2024A aluminium alloy and this by using the latter with the hard metal chrome steel 100C6 in dry punctual contact. So we shall evaluate hardness, wear rate and friction properties after and before the anodizing process. The results have shown that the sliding speed affects a transition from severe wear to mild wear when u = 0.3 m/s for the alloy covered by hard anodic layer, as well as it was a significant decrease in wear rate.

中文翻译：

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2024A-T4阳极氧化铝合金在重度磨损条件下重度和轻度磨损的转变

由于密度低，铝合金在汽车工业中逐渐取代灰口铸铁。本研究的目的是评估 2024A 阳极氧化铝在严重磨损条件下的摩擦学性能。为此，我们正在研究滑动速度和阳极层的影响，以提高 2024A 铝合金的耐磨性和摩擦性能，并将后者与硬金属铬钢 100C6 进行干点接触。因此，我们应评估阳极氧化过程前后的硬度、磨损率和摩擦性能。结果表明，当u = 0.3 m/s时，滑动速度影响硬质阳极层覆盖的合金从严重磨损到轻度磨损的转变，并且磨损率显着降低。