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Microstructures and Magnetic Properties of Annealed Zr-Co Alloys

Title
Microstructures and Magnetic Properties of Annealed Zr-Co Alloys
Author
김종렬
Keywords
Annealing process; grain growth; rapid solidification process (RSP); rhombohedral Zr2Co11; MELT-SPUN RIBBONS; ZR2CO11
Issue Date
2016-07
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON MAGNETICS, v. 52, No. 7, Article no. 2101503
Abstract
The microstructures and magnetic properties of Zr2Co11 phase prepared by a rapid solidification method and subsequent annealing at 500 degrees C were studied using X-ray diffraction and electron diffraction. At a wheel surface velocity of 20 m/s, both orthorhombic and rhombohedral structures were observed in as-spun ribbons. At a wheel surface velocity of 40 m/s, the amount of orthorhombic structure decreased, and the saturation magnetization increased. However, at a wheel surface velocity of 60 m/s, the saturation magnetization sharply decreased, and the phase identification was limited by peak broadening. The subsequent annealing of this ribbon resulted in the rhombohedral structure, a saturation magnetization of 83.47 emu/g, and a coercivity of 2091 Oe.
URI
https://ieeexplore.ieee.org/abstract/document/7406709/http://hdl.handle.net/20.500.11754/65826
ISSN
0018-9464; 1941-0069
DOI
10.1109/TMAG.2016.2529650
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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