NDLI: Suitability of NbTi containing up to 2 Wt.% Ta for use in fabrication of superconductors

Content Provider	IEEE Xplore Digital Library
Author	Curtis, C. McDonald, W.
Copyright Year	1965
Abstract	Procurement specifications for the widely used superconducting alloy Nb46.5Ti have a maximum Ta content limitation of 1000 ppm by weight. To study the effect of up to 2% Ta by weight in a NbTi alloy, three Ta-modified Nb46.5Ti ingots containing 0.5, 1 and 2 wt.% Ta nominal were produced. Fabricability of the modified alloys compared to standard Nb46.5Ti during normal fabrication for 0.125 inch diameter wire is discussed. At 0.125 inch diameter, a portion of each of the four types of wire was clad with OFHC copper and drawn to final composite diameters of 0.010 inch and 0.004 inch. Results of metallurgical studies conducted on in-process material are discussed. Results of short sample tests to determine critical current density for the 0.010 inch and 0.004 inch monofilament samples, including the standard Nb46.5Ti alloy for comparison, are presented.
Sponsorship	IEEE Magnetics Society
Starting Page	768
Ending Page	771
Page Count	4
File Size	401962
File Format	PDF
ISSN	00189464
Volume Number	15
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1979-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Niobium compounds Titanium compounds Fabrication Superconductivity Wire Procurement Superconducting materials Copper Conducting materials Inorganic materials
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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