NDLI: High Strength, High Conductivity Microcomposite Cu-Nb Wires with Cross Sections in the Range of 0.01–100 <formula formulatype=inline> <tex>${hbox{mm}}^{2}$</tex></formula>

Content Provider	IEEE Xplore Digital Library
Author	Pantsyrny, V.I. Shikov, A.K. Vorobieva, V.E. Khlebova, N.E. Kozlenkova, N.I. Drobishev, V.A. Potapenko, I.I. Beliakov, N.A. Polikarpova, M.V.
Copyright Year	2002
Abstract	Effect of anomalous increase of strength in fine heavily deformed Cu-Nb microcomposites is associated with nano-scaled microstructure. For these wires with cross sections in the range of 0.01-0.5 mm² the high level of ultimate tensile strength (UTS) can be attained by straight deformation of initial in situ composite Cu-Nb ingot with logarithmic strain up to 11. For fabrication of high strength Cu-Nb wires with much larger cross sections up to 100 mm² the ldquobundle-and-deformrdquo method should be used. In this case the final wire consists of bulk soft copper matrix with embedded high strength Cu-Nb microcomposite cores. The design features of high strength high conductivity Cu-Nb winding wires with extremely wide range of cross sections have been analyzed. Some peculiar features of deformation of non-uniform composites containing the nanostructured elements have been presented. Mechanical properties and conductivity of these wires have been reviewed. It was shown that UTS values from 900 MPa up to 1500 MPa and conductivity values in the wide range from 55% IACS to 85% IACS could be attained for Cu-Nb wires with different designs. The analysis has been done on the correlation of the mechanical and conducting properties with microstructure.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	616
Ending Page	619
Page Count	4
File Size	2765090
File Format	PDF
ISSN	10518223
Volume Number	18
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductivity Wires Fabrication Nanostructured materials Microstructure Mechanical factors Magnetic materials Powders Amorphous magnetic materials Conducting materials strength Cu-Nb microcomposites nanostructured materials processing
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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