如果合金本身对氧非常敏感，则不仅在雾化时要采取措施，在熔化时最好也采用真空熔炼。
If the alloy is in itself sensitive to the oxygen, then not only in atomization time must take the measure, when melting should better also use the vacuum melting.
结果显示，采用非真空感应熔炼(AIM方法)加真空浇注生产1 J HA1合金具有工艺上和经济上的可行性。
Experimental results show that Quality magnetic alloy 1jha1 can be produced by air induction melting (AIM) and vacuum pouring technologically and economically.
中频冶炼与合金制备：各种合金与有色金属的配制，真空或非真空熔炼、浇铸等。
Medium frequency smelting and alloy preparation: mixture of all kinds of alloy and nonferrous metal, vacuum or anti-vacuum smelting and casting.
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