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传统地熔炼ZQAl9－4的工艺方法是先预熔Al－Fe中间合金,以避免低熔点化学成分Al的烧损,同时可降低熔炼温度。在熔炼ZQAl9－4时,通常先熔化电解铜(熔点
The traditional method of smelting ZQAl9-4 is to pre-melt the Al-Fe master alloy so as to avoid the loss of the low-melting chemical composition Al and reduce the melting temperature. In the melting ZQAl9-4, usually first electrolytic copper (melting point