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Influence of a high magnetic field on the solidification structures of ternary Al–Fe–Zr alloy

Published online by Cambridge University Press:  06 February 2017

Lei Li ,
Chunyan Ban ,
Xuchen Shi ,
Haitao Zhang ,
Yubo Zuo ,
Qingfeng Zhu ,
Xiangjie Wang ,
Jianzhong Cui  and
Hiromi Nagaumi
Lei Li
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, People’s Republic of China; School of Materials Science and Engineering, Northeastern University, Shenyang 110819, People’s Republic of China; and Suzhou Research Institute for Nonferrous Metals, Suzhou 215026, People’s Republic of China
Chunyan Ban*
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, People’s Republic of China; and School of Materials Science and Engineering, Northeastern University, Shenyang 110819, People’s Republic of China
Xuchen Shi
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, People’s Republic of China; and School of Materials Science and Engineering, Northeastern University, Shenyang 110819, People’s Republic of China
Haitao Zhang
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, People’s Republic of China; School of Materials Science and Engineering, Northeastern University, Shenyang 110819, People’s Republic of China; and Suzhou Research Institute for Nonferrous Metals, Suzhou 215026, People’s Republic of China
Yubo Zuo
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, People’s Republic of China; and School of Materials Science and Engineering, Northeastern University, Shenyang 110819, People’s Republic of China
Qingfeng Zhu
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, People’s Republic of China; and School of Materials Science and Engineering, Northeastern University, Shenyang 110819, People’s Republic of China
Xiangjie Wang
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, People’s Republic of China; and School of Materials Science and Engineering, Northeastern University, Shenyang 110819, People’s Republic of China
Jianzhong Cui
Affiliation:
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, People’s Republic of China; and School of Materials Science and Engineering, Northeastern University, Shenyang 110819, People’s Republic of China
Hiromi Nagaumi
Affiliation:
Suzhou Research Institute for Nonferrous Metals, Suzhou 215026, People’s Republic of China
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

The effects of high magnetic fields on the solidification structures of ternary Al–Fe–Zr alloy were investigated. The results showed that the primary Al3Fe crystals mainly show bar-like form, whereas the unmelted Al3Zr crystals reveal tabular and the newly crystallized primary Al3Zr crystals have fine/coarse needle-like forms. When a 12 T magnetic field is applied, the primary Al3Fe crystals are distributed homogenously and the fine needle-like primary Al3Zr levitated. Moreover, the primary Al3Fe crystals align horizontally in the upper but vertically in the lower part of the specimen. The needle-like primary Al3Zr crystals align vertically, whereas the tabular ones have their two opposite corners on the large surfaces toward the positive and negative magnetic field direction. Crystallographic analysis indicates that 〈100〉 and 〈110〉 are the preferred axes of the primary Al3Fe and the Al3Zr crystals with respect to the magnetic field, respectively. The redistribution and realignments of the crystals are discussed.

Keywords

alloymicrostructuremagnetic
Type
Articles
Information
Journal of Materials Research , Volume 32 , Issue 11 , 14 June 2017 , pp. 2035 - 2044
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Copyright
Copyright © Materials Research Society 2017 

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Footnotes

Contributing Editor: Jürgen Eckert

References

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