State Key Laboratory of Light Alloy Casting Technology for High-end Equipment;
Shenyang 110022;
China;
Shenyang Research Institute of Foundry Co.;
Ltd.;
Shenyang 110022;
China;
School of Materials Science and Engineering;
Shenyang Aerospace University;
Shenyang 110136;
China;
electroslag casting; fixed-movable dual electrode; current ratio; cross-sectional area ratio;