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Filtering by: Subject Niobium-tantalum alloys -- Metallurgy Remove constraint Subject: Niobium-tantalum alloys -- Metallurgy Advisor Warnes, William H. Remove constraint Advisor: Warnes, William H.

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Metallurgy and superconductivity of niobium-titanium-tantalum ternary alloy systems

Creator:

Li, Na

Abstract:

The metallurgy and superconductivity of the Nb-Ti-Ta ternary alloy system were studied. The Nb-Ti, and Ta-Ti binary samples, and Nb-Ti-Ta ternary samples were precipitation heat treated under different schedules. After the precipitating heat treatment, the samples were characterized by X-Ray Diffraction (XRD) techniques. Equilibrium binary and ternary phase diagrams based...

Resource Type:

Masters Thesis

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Niobium-Titanium-Tantalum Ternary Alloy System. Abstract approved: William H. Warnes The metallurgy
Critical current distributions and the V(1) transition in Nb-Ti superconducting composites

Creator:

Narang, Girish

Abstract:

It is well established that the extended range V(I) transition behavior in filamentary superconducting composites depends strongly on the processing conditions of the composite. Based on previous work, a model proposed by Warnes et al predicts that the second derivative of the V(I) transition is related to a more fundamental...

Resource Type:

Masters Thesis

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Percent Niobium a 10 30 40 50 60 2,01=0 10 15 20 25 30 75 40 45 :a Ti Atomic Percent Niobium
Properties of a niobium-titanium multilayer thin film

Creator:

Norris, Jeffrey A., (Jeffrey Alan), 1965-

Resource Type:

Masters Thesis

Full Text:

a Niobium-Titanium Multi layer Thin Film. Abstract approved: William H. Warnes A multilayer thin
Mechanical properties of Nb-Ti composite superconducting wires

Creator:

Liu, He

Abstract:

Mechanical properties of Nb-Ti composite superconducting wires were tested at room temperature. The results were analysed using simple composite theory, the rule of mixtures. The objective is to predict the mechanical properties of Nb-Ti superconducting composite wires as a function of volume ratio and geometry of the components, the composite...

Resource Type:

Masters Thesis

Full Text:

. The two primary commercial materials are niobium based superconductors; Nb-Ti, an alloy, and Nb3Sn

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Academic Affiliation

Mechanical Engineering4

Advisor

Warnes, William H.[remove]4

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1991 to 2002

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Committee Member

Logendran, Logen1
Minoura, Toshimi1
Wolff, E. G.1

Creator

Li, Na1
Liu, He1
Narang, Girish1
Norris, Jeffrey A., (Jeffrey Alan), 1965 1

Date

Date range begin – Date range end

Current results range from 1991 to 2001

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Decade

2000-20091
1990-19993

Degree Field

Mechanical Engineering4

Degree Level

Master's4

Degree Name

Master of Science (M.S.)4

Language

English [eng]4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Masters Thesis4

Rights Statement

Copyright Not Evaluated3
In Copyright1

Subject

Niobium alloys2
Niobium alloys -- Mechanical properties1
Niobium-tantalum alloys -- Effect of temperature on1
Niobium-tantalum alloys -- Metallurgy1
Superconducting composites1
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