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一、概述坩埚内的金属液,在单相交变磁场的作用下,所发生的电动效应,由于金属液所受的是径向压力,只能使金属液产生区域性的循环和对流,如图49,不能造成如图50那样保证合金成分均匀和达到精炼效果的彻底循环。
First, an overview of the crucible metal liquid, in the single-phase alternating magnetic field under the effect of the electric effect, due to the liquid metal is subject to radial pressure, liquid metal can only produce a regional circulation and convection, such as Figure 49, can not result in a complete cycle as shown in Figure 50 to ensure a uniform alloy composition and to achieve a refining effect.