Strength and plastic properties of amorphous cobalt alloy wires produced by various melt quenching methods

The strength and plastic properties of amorphous wires produced by melt spinning, in-rotatingwater spinning (INROWASP), and the Taylor-Ulitovskii method are studied. The wire produced by the Taylor-Ulitovskii method is found to have the highest level of strength and plasticity. The fracture and late...

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Bibliographic Details
Published in:Russian metallurgy Metally 2011-04, Vol.2011 (4), p.345-349
Main Authors: Mokhirev, I. I., Chueva, T. R., Zabolotnyi, V. T., Umnov, P. P., Umnova, N. V., Molokanov, V. V.
Format: Article
Language:English
Subjects:
Amorphous materials
Chemistry and Materials Science
Materials Science
Melt spinning
Metallic Materials
Metallurgy
Nanostructure
Plastic properties
Plasticity
Promising Materials and Technologies
Strength
Wire
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Summary:The strength and plastic properties of amorphous wires produced by melt spinning, in-rotatingwater spinning (INROWASP), and the Taylor-Ulitovskii method are studied. The wire produced by the Taylor-Ulitovskii method is found to have the highest level of strength and plasticity. The fracture and lateral surfaces of the amorphous wires are subjected to fractographic analysis. The high plasticity of this wire is shown to be caused by sequential formation of various families of shear bands and their interaction. The structure of the surface layer in an amorphous wire is assumed to be controlled by thermomechanical treatment to form a one-dimensional nanoamorphous composite material.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029511040148