NDLI: Microstructural characterization of high strength high conductivity Cu-Nb microcomposite wires

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Microstructural characterization of high strength high conductivity Cu-Nb microcomposite wires

Content Provider	Semantic Scholar
Author	Głuchowski, W. Stobrawa, J. P. Rdzawski, Zbigniew Marszowski, Krzysztof
Copyright Year	2011
Abstract	Purpose: The properties and the microstructure of cold drown Cu-Nb composites have been investigated for their potential use as conductors in high field magnets. Nowadays, there is much activity in the development of such conductors all over the world. Design/methodology/approach: This study was aimed to investigate microstructure, mechanical and electrical properties of Cu-Nb15 wires. The investigated materials have been processed by vacuum furnace melting and casting, further hot forging and cold drawing. Alternatively material has been processed by one of the SPD (severe plastic deformation) method using oscillatory turning die pressing. Microstructure has been observed by optical and electron microscopy technics. Findings: The ultimate tensile strength versus cold deformation degree have been presented. These changes have been discussed in relation to the microstructure evolution. Practical implications: The obtained mechanical and electrical properties (UTS over 900 MPa and electrical conductivity over 40 MS/m) correspond to requirements for production of long pulsed 60T magnets. Originality/value: Original SPD technic applied for Cu-Nb microcomposite deformation cause initial microstructure refinement and improves effectiveness of wire production process.
Starting Page	40
Ending Page	48
Page Count	9
File Format	PDF HTM / HTML
Volume Number	46
Alternate Webpage(s)	http://jamme.acmsse.h2.pl/papers_vol46_1/4615.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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