Ductile Fe-based amorphous alloys with high iron content

Fe-based amorphous alloys with high iron content of 76at%–80at% were synthesized in the Fe-Mo-Si-P-C-B alloy system by the single roller melt-spinning technique. The amorphous ribbons exhibit high Vickers microhardness and good ductility, which can be indented and bent 180° without breaking. A numbe...

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Bibliographic Details
Published in:International journal of minerals, metallurgy and materials metallurgy and materials, 2010-04, Vol.17 (2), p.199-203
Main Authors: Liu, Feng-juan, Zhang, Tao, Pang, Shu-jie, Yao, Ke-fu
Format: Article
Language:English
Subjects:
Alloy systems
Alloys
Amorphous alloys
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Core loss
Corrosion and Coatings
Diamond pyramid hardness
Ductility
Edge dislocations
Ferrous alloys
Glass
Iron
Magnetic properties
Materials Science
Mechanical properties
Melt spinning
Metallic glasses
Metallic Materials
Metallurgy
Minerals
Molybdenum
Natural Materials
Nodular iron
Shear bands
Surfaces and Interfaces
Thin Films
Tribology
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Summary:Fe-based amorphous alloys with high iron content of 76at%–80at% were synthesized in the Fe-Mo-Si-P-C-B alloy system by the single roller melt-spinning technique. The amorphous ribbons exhibit high Vickers microhardness and good ductility, which can be indented and bent 180° without breaking. A number of shear bands could be observed around the indents and the bending traces. Studies on the magnetic properties of the amorphous alloys show that they possess high saturation magnetizations of 1.34–1.6 T, which increases with the increase of iron content. The core losses of these Fe-based amorphous alloys at various magnetic inductions were tested and found to be significantly dependent on their components. The Fe-Mo-Si-P-C-B amorphous alloys with excellent mechanical properties and soft magnetic properties have promising potential in functional applications.
ISSN:1674-4799
1869-103X
DOI:10.1007/s12613-010-0213-z