Abstract: It was studied by us that new technologies using strong pulsed magnetic field and electric current were applied to refine metal's solidified structure.These technologies improved remarkably the solidified structure of LY12 aluminum alloy and mad
Abstract: It was studied by us that new technologies using strong pulsed magnetic field and electric current were applied to refine metal's solidified structure.These technologies improved remarkably the solidified structure of LY12 aluminum alloy and mad
文摘:提出了用强脉冲磁场和电流细化金属凝固组织的新工艺.与未经磁场或电流处理的凝固样品相比，强脉冲电磁场能够显著地改善LY12铝合金的凝固组织，使晶粒明显细化、球化,电磁场的强度愈强，这种改善效果愈明显.对该新工艺的细化机理进行了理论分析，同时，指出了实验中的新现象和新问题.