Defect analysis in cylinder sleeve with high performance by centrifugal casting in metallic mold is made. Measure to technological improvement and effect obtained are introduced.

对金属型离心铸造高性能气缸套的缺陷进行了分析，介绍了工艺改进措施及取得的效果。

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Magnetic levitation melting and copper mold blow-casting of bulk metallic glasses were realized with ordinary high-frequency induction heating equipment.

采用普通高频感应加热装置实现了大块非晶合金的磁悬浮熔炼和铜模吹铸法制备。

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