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2 不同峰值电流密度(jmax)条件下Pb-0.15Al合金凝固组织的背散射电子(BSE)像
Fig.2 Backscattered electron (BSE) images of the microstructures of the Pb-0.15Al alloys continuously solidified under the effect of ECPs with peak current densities (jmax) being 0 A/m2 (a), 4 × 108 A/m2 (b), 8 × 108 A/m2 (c), and 1.2 × 109 A/m2 (d), respectively