采用电磁铸造技术和普通连续铸造技术铸造了2024变形铝合金,采用光学显微镜和扫描电镜分析了其显微组织,而且对其进行了固溶处理加人工时效.结果表明电磁铸造锭内部组织细小均匀,有高的硬度和良好的疲劳性能,电磁铸造试样的硬度大约是普通连续铸造铸坯的2倍,疲劳性能是普通连续铸造铸坯的3倍.电磁铸造铸坯还有良好的耐磨性,磨损失重量是普通连续铸造的一半.
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