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采用中频感应电炉在大气下熔炼Cu Cr中间合金 ,Cr以Cu 5 0Cr中间合金的形式加入 ,采用自配的专用覆盖剂 ,控制好熔炼工艺 ,最终获得Cr的质量分数为 4.0 %～ 5 .0 %的Cu Cr中间合金。
Using intermediate frequency induction furnace smelting Cu Cr master alloy in the atmosphere, Cr is added in the form of a Cu 5 0Cr master alloy, using a special covering agent to control the smelting process, the final mass fraction of Cr is 4.0% ~ 5.0 % Cu Cr master alloy.