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首页> 外文期刊>Journal of Materials Engineering and Performance >Wear Resistance of Aluminum Matrix Composites Reinforced with Al2O3 Particles After Multiple Remelting
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Wear Resistance of Aluminum Matrix Composites Reinforced with Al2O3 Particles After Multiple Remelting

机译：多次重熔后Al2O3颗粒增强铝基复合材料的耐磨性

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摘要

Based on previous results, the commercial composites of A359 (AlSi9Mg) alloy reinforced with 22 vol.% Al2O3 particles were submitted to multiple remelting by means of gravity casting and squeeze-casting procedures. The studies were focused on tribological tests, x-ray phase analyses, and microstructural examinations. More promising results were obtained for squeeze-casting method mainly because of the reduction of the negative microstructural effects such as shrinkage porosity or other microstructural defects and discontinuities. The results showed that direct remelting may be treated as economically well-founded and alternative way compared to other recycling processes. It was underlined that the multiple remelting method must be analyzed for any material separately.
机译：根据先前的结果，使用重力铸造和挤压铸造方法对用22％（体积）Al2O3颗粒增强的A359（AlSi9Mg）合金的商业复合材料进行多次重熔。这些研究集中在摩擦学测试，X射线相分析和微观结构检查上。挤压浇铸法获得了更多有希望的结果，主要是因为减少了诸如缩孔率或其他微结构缺陷和不连续性等负面的微结构效应。结果表明，与其他回收工艺相比，直接重熔可被视为经济上可行的替代方法。强调必须针对任何材料分别分析多重重熔方法。

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