强脉冲磁场对LY12铝合金组织结构的影响  

Influence of Strong Pulsed Magnetic Field on Microstructures of LY12 Aluminum Alloy

作　　者：班春燕[1] 崔建忠[1] 巴启先[1] 路贵民[1] 张北江[1] 

机构地区：[1]东北大学

出　　处：《特种铸造及有色合金》2002年第4期12-13,共2页Special Casting & Nonferrous Alloys

基　　金：国家重点基础研究发展规划 ("973")项目 (G1 9990 6490 5)

摘　　要：研究了强脉冲磁场对LY12铝合金凝固组织及微观结构的影响。试验表明 :在强脉冲磁场作用下 ,LY12铝合金的凝固组织发生了显著变化 ,脉冲磁场处理使晶粒明显得到细化。另外 ,在磁场中凝固的试样与未经磁场处理的试样相比 ,X -射线衍射谱中的 (111)、(2 0 0 )、(3 11)以及 (2 2 2 )The effects of strong pulsed magnetic field on the solidification microstructures of LY12 aluminum alloy were studied. It is showed that the solidification structures of LY12 aluminum alloy were changed remarkably and the strong pulsed magnetic treated grains in LY12 aluminum alloy were refined obviously. Otherwise, compared to un treated sample, the diffraction peaks of (111), (200), (311) and (222) crystal face in the X ray diffraction spectrum of magnetic treated sample were strengthened obviously.

关 键 词：铝合金 脉冲磁场 凝固组织 晶粒细化 

分 类 号：TG292[金属学及工艺—铸造]