交流电脉冲对过共晶Al-Si合金中初生Si相偏析的作用机制

张利民, 李宁, 朱龙飞, 殷鹏飞, 王建元, 吴宏景

Macrosegregation Mechanism of Primary Silicon Phase in Cast Hypereutectic Al-Si Alloys Under Alternating Electropulsing

ZHANG Limin, LI Ning, ZHU Longfei, YIN Pengfei, WANG Jianyuan, WU Hongjing

图5 过共晶Al-30%Si合金组织中初生Si相富集区面积分数与电脉冲作用温度区间关系

Fig.5 Relationship between area percentage of rich region of primary Si and temperature range for electropulsing treatment in Al-30%Si alloys