研究了Al-2%Fe初生富铁相形貌的改变对电磁分离效率的影响.以Mn作为变质剂来改变富铁相形态,当摩尔比Mn/Fe=1.3～1.5时,富铁相由针状转变为规则的块状或球状.分别在变质前后进行电磁分离试验,并且分析了试样不同部位的微观组织,试验表明:变质后,富铁相的形貌有利于在熔体中迁移,并且电磁净化的效率比变质前提高了20%,可达到90%以上.
参考文献
| [1] | 黄健;李洪涛;王汝耀.Fe对Al-Si合金强度的影响[J].兵器材料科学与工程,1990(04):1. |
| [2] | Couture A.Iron in aluminum casting alloys-A literature survey[J].AFS Transactions,1981(11):9. |
| [3] | 潘冶;孙国雄;吴照金.Al2Si2Fe合金中铁相的粒化[J].铸造,1992(12):6. |
| [4] | 潘冶;孙国雄.铝合金中铁相形态控制及对性能的影响[J].特种铸造及有色合金,1993(05):1. |
| [5] | Bailey W A .Beryllium effect on strength and mechanical properties of 356 variant-T6 aluminum alloys[J].Modern Castings,1964,46:443. |
| [6] | Murali S;Raman K S;Murthy K S S .Morphological studies on-FeSiAl5 phase in Al-7Si-0.3 Mg alloy with trace additions of Be,Mn,Cr and Co[J].Materials Characterization,1994,33:99. |
| [7] | S.G. SHABESTARI;J.E. GRUZLESKI .Gravity Segregation of Complex Intermetallic Compounds in Liquid Aluminum-Silicon Alloys[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,1995(4):999-1006. |
| [8] | 房文斌;葛耀宏;叶荣茂.铸造铝合金复合净化法的研究[J].铸造技术,1996(02):8. |
| [9] | Matsubara H;Izawa N;Nakanishi M .Macroscopic segregation in Al-11%Si alloy containing 2% Fe solidified under centrifugal force[J].J Japan Institute of Light Metals,1998,48(02):93. |
| [10] | 曹志强,张秋明,贾非,金俊泽.铝熔体中非金属夹杂物电磁分离效率研究[J].大连理工大学学报,2002(04):441-445,455. |
| [11] | 钟云波,任忠鸣,邓康,蒋国昌,徐匡迪.行波磁场连续净化铝合金液实验[J].中国有色金属学报,2001(02):167-171. |
| [12] | 疏达,孙宝德,李天晓,张雪萍,周尧和.铝熔体中夹杂物形状与取向对其电磁分离的影响[J].金属学报,2000(09):956-960. |
| [13] | 李克,孙宝德,李天晓,疏达,丁文江,周尧和.利用高频磁场分离Al熔体中的非金属夹杂[J].金属学报,2001(04):405-410. |
| [14] | 李克,王俊,周鸣,张雪萍,孙宝德,周尧和.过共晶铝硅自生梯度复合材料的组织与性能[J].中国有色金属学报,2002(03):521-524. |
| [15] | Leenov D;Kolin A .Theory of electromagnetophoresis.I.magnetohydrodynamic forces experienced by spherical and symmetrically oriented cylindrical particles[J].Journal of Chemical Physics,1954,22(04):683. |
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