E. W. Collings

Applied Superconductivity, Metallurgy, and Physics of Titanium Alloys (eBook, PDF)

Fundamentals Alloy Superconductors: Their Metallurgical, Physical, and Magnetic-Mixed-State Properties

• Format: PDF

Produktbeschreibung

Scope and Purpose Although conductors based on the Al5 intermetallic compound Nb Sn 3 possess desirable high-field superconducting properties, manufacturing and handling difficulties, coupled with the tendency of their critical current densities to degrade rapidly under stress, have generally restricted their use to fairly straightforward, usually small-scale solenoidal-magnet applica tions. Likewise the Al5 compound VGa, which has a wider critical strain 3 window than NbSn but a uniformly lower upper critical field, has not 3 entered widespread service. Strain has been found to have no measurable influence on either the critical fields or the critical current densities of compound superconductors with BI and Cl5 crystal structures, but as yet they are still in the research and development stages. On the other hand, conductors using the binary alloy Ti-Nb or multi component alloys based on it, because of their relative ease of manufacture, excellent mechanical properties, and relatively low strain sensitivities, are now being pressed into service in numerous large-scale devices. Such conductors are being wound into magnets for use in energy storage, energy conversion (i. e. , generators and motors), and high-energy particle detectors and beam-handling magnets. of cold-rolled or drawn Ti-Nb-alloy wire for superconducting The use magnet applications was first proposed in 1961. During the ensuing ten years, while progress was being made in the development of Cu-clad filamentary-Ti-Nb-alloy conductors, Ti-Nb and other Ti-base binary transi tion-metal (TM) alloys were being employed as model systems in the fundamental study of type-II superconductivity.

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Produktdetails

• Verlag: Springer New York
• Seitenzahl: 854
• Erscheinungstermin: 7. März 2013
• Englisch
• ISBN-13: 9781461320951
• Artikelnr.: 44064161

Inhaltsangabe

I: Metallurgy.- 1. Equilibrium and Nonequilibrium Phases.- 2. Aging and Deformation.- 3. Mechanical Properties.- II: Physics.- 4. Dynamic Elastic Modulus.- 5. Electrical Resistivity.- 6. Thermal Conductivity.- 7. Magnetic Susceptibility.- 8. Low-Temperature Specific Heat.- 9. Low-Temperature Thermal Expansion.- III: The Superconducting Transition.- 10. Calorimetric Studies of the Superconducting Transition and the Mixed State.- 11. The Superconductive Proximity Effect.- 12. The Superconducting Transition Temperature.- IV: The Mixed State.- 13. Magnetic Properties of Superconductors.- 14. The Mixed State.- 15. The Paramagnetic Mixed State.- 16. The Critical State.- 17. The Upper Critical Field.- 18. Flux in Motion under the Influence of a Field Gradient.- 19. Magnetization and Critical Current Density.- References.- Symbols and Abbreviations.- Index of Plotted and Tabulated Data.