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Description:: Transport along and across the grain boundaries of solid-state electrolytes has implications for a broad range of materials and in an equally broad range of technologies. Over the past 2-3 decades, a substantial body of literature has been developed to explain grain boundary transport properties within the context of space...
Keyword:: Grain Boundary Charge Transport, Oxide Electrolytes, Electron Holography, Impedance Spectroscopy, Atom Probe Tomography, and Space Charge Theory
Subject:: Applied physics and Materials Science
Creator:: Xu, Xin
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/12/2020
Date Created:: 2019-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:14848 and etdadmin_upload_686556

Description:: Oxide/aqueous and metal/metal oxide interfaces are essential for environmental remediation, catalysis, and corrosion inhibition, in addition to their potential implementation as energy transducers, consumer electronics, and coating products. While these interfaces are critically important, they are difficult to access experimentally under aqueous flow conditions. This thesis describes results obtained with...
Keyword:: Zero-Valent Iron, Second Harmonic Generation Spectroscopy, Nanolayers, Passivation, Interface, and Atom Probe Tomography
Subject:: Chemistry
Creator:: Boamah, Mavis Dufie
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/12/2020
Date Created:: 2019-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:14724 and etdadmin_upload_670561

Description:: Biological organisms have the extraordinary ability to form mineral structures with unparalleled control. From curved single crystals to hierarchically structured skeletal parts, biomineralization processes produce materials with properties that are highly optimized for their intended applications. These processing techniques occur at ambient conditions using materials abundant in the environment, and...
Keyword:: Enamel, Atom Probe Tomography, and Biominerals
Subject:: Materials Science
Creator:: DeRocher, Karen
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/01/2021
Date Created:: 2020-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:15281 and etdadmin_upload_764846

Description:: High performance structural materials are needed for Naval applications which require an excellent combination of yield strength, low-temperature impact toughness, ductility, ballistic-resistance, and weldability. This research investigates precipitation-strengthened HSLA-115 steels and ballistic-resistant 10 wt. % Ni steels, which have emerged as promising alternatives to the widely used HSLA-100 steels for...
Keyword:: Atom Probe Tomography
Subject:: Materials Science and Engineering
Creator:: Divya Jain
Owner:: Scholarly Digital Publishing
Date Uploaded:: 10/09/2018
Date Modified:: 10/09/2018
Date Created:: 2017-01-01
Resource Type:: Dissertation

Description:: In today's rapidly changing world, there is constant demand for the development of new, high performance materials. Fire resistant steels can provide greater safety in the event of a building fire, creep resistant stainless steels can allow for higher power plant efficiency, and cobalt based superalloys have potential for use...
Keyword:: Ferritic Steels, CALPHAD, Stainless Steel, Fire Resistance, Combinatorial Synthesis, and Atom Probe Tomography
Subject:: Materials Science and Engineering
Creator:: Cameron Thomas Gross
Owner:: Scholarly Digital Publishing
Date Uploaded:: 04/18/2018
Date Modified:: 04/18/2018
Date Created:: 2017-01-01
Resource Type:: Dissertation

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