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Deformation Reduction in Intermetallic NiAl Microlaminations

Creator:: Joyer, Michael J.
Abstract:: One method of fabricating intermetallic nickel-aluminum MECS devices involves diffusion bonding together pre-patterned elemental foils of nickel and aluminum. This process shows good potential for the mass-production of NiAl devices, but several quality issues remain. Of large concern is the deformation of internal features during the bonding process. This research...
Resource Type:: Honors College Thesis
Full Text:: Microlaminations. Abstract approved: Dr. William Warnes One method of fabricating intermetallic nickel

Characterization of TiNbHf alloys for potential medical dental applications

Creator:: Amick, Darryl D.
Abstract:: A series of TiNbHf alloys ranging from 0-40 atomic % Nb and 0-15 atomic % Hf were evaluated to investigate low-elastic modulus phenomena which occur in this ternary system. The desirability of utilizing corrosion-resistant, biocompatible alloys with elastic modulus values approaching that of human bone for medical prosthetic implants provides...
Resource Type:: Masters Thesis
Full Text:: advisor, Dr. William Warnes, for his generous guidance and encouragement. My employer, Teledyne Wah

Critical current transition analysis of composite superconductors

Creator:: Dai, Wei-ming
Resource Type:: Masters Thesis
Full Text:: Sunerconductors Redacted for privacyAbstract approved. ,, , William H. Warnes The 30 strands of an outer cable

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:: Wires. /i/ Ai /, Abstract approved: Redacted for Privacy William H. Warnes Mechanical properties of Nb

Evaluation of copper to superconductor area ratio measurement techniques for niobium-titanium composite superconducting wire

Creator:: Pyon, Taeyoung
Abstract:: Measurement of the copper to superconductor ratio (Cu/SC) in composite superconducting wires is necessary for process control, quality assurance, and characterization of the final wire properties. A comparison has been made of three techniques for measuring the Cu/SC ratio on a set of commercial wires produced for the Superconducting SuperCollider...
Resource Type:: Masters Thesis
Full Text:: Composite Superconducting Wire Redacted for Privacy Abstract approved : William H. Warnes Measurement of

Small sample, low-temperature calorimetry

Creator:: Wolochuk, Lee
Abstract:: A calorimeter capable of measuring the heat capacity of 1 mg size samples from 4.2 to greater than 100 K has been designed, constructed, and tested. The sample is bonded to the end of a 0.002 inch diameter, 0.5 cm long chromel-constantan thermocouple (type E) and heated optically with a...
Resource Type:: Masters Thesis
Full Text:: appreciation and gratitude to my advisor, Dr. William H. Warnes, for guiding me throughout this project

Mechanics of Nb-Ti superconducting composites

Creator:: Guo, Zhiqiang
Abstract:: Mechanical behavior of Nb-Ti superconducting composites with copper matrices have been studied experimentally and theoretically. Experimental work includes extensive measurements of Cu/Nb-Ti composite system. Techniques for fine fiber testing and composite wire measurement have been developed. Experimental parameters examined in this research include geometry, hardness, Young's modulus, Poisson's ratio, yield...
Resource Type:: Dissertation
Full Text:: Abstract approved: ,oercond cting Composi s William H. Warnes Mechanical behavior of Nb-Ti

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

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
Full Text:: DISTRIBUTIONS AND THE V(I) TRANSITION IN Nb-Ti SUPERCONDUCTING COMPOSITES. Abstract approved: WILLIAM H

Microstructures and properties of Nb/Ti multilayered thin films

Creator:: Faase, Kenneth James
Resource Type:: Dissertation
Full Text:: Multi layered Thin Films. Abstract approved: William H. Warnes The microstructures and properties of

ScholarsArchive@OSU

Deformation Reduction in Intermetallic NiAl Microlaminations

Characterization of TiNbHf alloys for potential medical dental applications

Critical current transition analysis of composite superconductors

Mechanical properties of Nb-Ti composite superconducting wires

Evaluation of copper to superconductor area ratio measurement techniques for niobium-titanium composite superconducting wire

Small sample, low-temperature calorimetry

Mechanics of Nb-Ti superconducting composites

Properties of a niobium-titanium multilayer thin film

Critical current distributions and the V(1) transition in Nb-Ti superconducting composites

Microstructures and properties of Nb/Ti multilayered thin films

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