The Effect of Substitution of Fe By Co on Rapidly Quenched (FeCo)MoCuB Amorphous Alloys

被引：0
|
作者：
Paluga, Marek [1 ]
Mrafko, Peter [1 ]
Svec, Peter [1 ]
Janickovic, Dusan [1 ]
Illekova, Emilia [1 ]
Conde, Clara F. [1 ]
机构：
[1] Slovak Acad Sci, Inst Phys, Dubravskvska Cesta 9, Bratislava 84511, Slovakia
来源：
ADVANCES IN ELECTRICAL AND ELECTRONIC ENGINEERING | 2005年 / 4卷 / 02期
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
(Fe1-xCox)(79)Mo8Cu1B15 amorphous alloys ware prepared in the form of ribbons by rapid quenching for x=0. 0.25 and 0.5. The effect of variation of Co/Fe ratio is analyzed with respect to the formation of amorphous state and to transformation of the structure into nancrystalline phases formed after subsequent thermal treatment. Selected properties and atomic structure in as-quenched state are studied by TEM, AFM, XRD any by measurement of magnetoresistance characteristics. The influence of heat treatment on transport and magnetic properties is shown on temperature dependencies of electrical resistivity and magnetization. It was founf that while the increase of Co content leads to the increase of Curie temperature of as-quenched structure, transition to nanocrystalline state is not affected in a significant manner. The as-quenched state for alloy without Co was found to contain thin crystal-containing layer which, however, was observed, contary to general behavior, at the side of the ribbon exposed to higher quenching rates.
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页码：63 / 66
页数：4
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