Search
Skip to Search Results-
Spring 2013
20Cr-32Ni-1Nb stainless steel alloys are commonly used in hydrogen reformer manifolds for transporting hot hydrogen by-products at 750-950 celcius. After long periods of exposure, embrittling secondary carbides and intermetallic phases can precipitate at the grain boundaries which can drastically...
-
Microstructure-property correlation in magnesium-based hydrogen storage systems- The case for ball-milled magnesium hydride powder and Mg-based multilayered composites
DownloadSpring 2011
The main focus of this thesis is the characterization of defects and microstructure in high-energy ball milled magnesium hydride powder and magnesium-based multilayered composites. Enhancement in kinetics of hydrogen cycling in magnesium can be achieved by applying severe plastic deformation. A...
-
Thin film alloys and composites for application of hydrogen storage and oxygen reduction electrocatalysts
DownloadSpring 2015
This thesis encompasses aspects of alloy design, fabrication and characterization of thin films, which are employed as model systems to enhance hydrogen storage kinetics and thermodynamics in magnesium hydride and to enhance the catalytic efficacy and corrosion stability of platinum-based...
-
2017-01-01
Zhou, B., Faucher, A., Laskowski, R., Terskikh, V.V., Kroeker, S., Sun, W., Lin, J., Mi, J-X., Michaelis, V.K., Pan, Y.
A series of well-characterized magnesium borate minerals and synthetic analogues have been studied via ultrahigh-field 25Mg solid-state NMR spectroscopy. Correlations between 25Mg NMR parameters and the local structure at the magnesium site(s) are highlighted and discussed. First-principles...