脉冲电流作用下<strong>Pb-Al</strong>合金的液<strong>-</strong>固分相过程

脉冲电流作用下Pb-Al合金的液-固分相过程

李彦强, 赵九洲, 江鸿翔, 张丽丽, 何杰

Liquid-Solid Phase Separation Process of Pb-Al Alloy Under the Effect of Electric Current Pulses

LI Yanqiang, ZHAO Jiuzhou, JIANG Hongxiang, ZHANG Lili, HE Jie

图10 试样表面附近平均尺寸粒子迁移速度的r分量( $u_{r} (\bar{R}, r = 2 m m)$ )沿z轴变化曲线

Fig.10 r-component of the average size particles' move-ment velocity at the position of r = 2 mm ( $u_{r} (\bar{R}, r = 2 m m)$ ) along the central z axis when solidifying Pb-0.15Al alloy with the ECPs of different j_max