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Effect of operating parameters of an electromagnetic refining process on the solidified structure

机译:电磁精制工艺的操作参数对凝固组织的影响

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Effect of operating parameters of a refining process on the solidified structure such as frequency and intensity of an alternating current has been experimentally examined by use of Sn-10mass%Pb alloy. In the refining process of a solidified structure in this manuscript, a static magnetic field and an alternating electrical current are simultaneously imposed on the local area of a metal or an alloy using copper electrodes. Concerning the intensity of the electrical current, threshold exists for the refining of the solidified structure, and the refined structure is mainly observed around the electrode in the case that the magnitude of the electrical current is around the threshold value. Imposition of the electromagnetic force in the initial stage of the solidification is crucial to obtain the refined structure in this process and the imposition in the middle stage has no refining function.
机译:已经通过使用Sn-10质量%Pb合金实验性地研究了精炼工艺的操作参数对凝固组织的影响,例如交流电的频率和强度。在该手稿中,在凝固组织的细化过程中,使用铜电极将静磁场和交流电同时施加在金属或合金的局部区域上。关于电流的强度,存在用于固化的组织的细化的阈值,并且在电流的大小在阈值附近的情况下,主要在电极周围观察到细化的结构。在此过程中,在凝固初期施加电磁力对于获得精制结构至关重要,而在中间阶段施加电磁力则没有细化功能。

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