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Articles 1 - 4 of 4
Full-Text Articles in Materials Science and Engineering
Continuous Steel Production And Apparatus, Kent D. Peaslee, Jörg Peter, D. G. C. Robertson, Brian G. Thomas, Lifeng Zhang
Continuous Steel Production And Apparatus, Kent D. Peaslee, Jörg Peter, D. G. C. Robertson, Brian G. Thomas, Lifeng Zhang
Materials Science and Engineering Faculty Research & Creative Works
A process for continuous refining of steel via multiple distinct reaction vessels for melting, oxidation, reduction, and refining for delivery of steel continuously to, for example, a tundish of a continuous caster system, and associated apparatus.
Emerging Nonequilibrium Bound State In Spin-Current-Local-Spin Scattering, Fatih Dogan, Lucian Covaci, Wonkee Kim, Frank Marsiglio
Emerging Nonequilibrium Bound State In Spin-Current-Local-Spin Scattering, Fatih Dogan, Lucian Covaci, Wonkee Kim, Frank Marsiglio
Materials Science and Engineering Faculty Research & Creative Works
Magnetization reversal is a well-studied problem with obvious applicability in computer hard drives. One can accomplish a magnetization reversal in at least one of two ways: application of a magnetic field or through a spin current. The latter is more amenable to a fully quantum-mechanical analysis. We formulate and solve the problem whereby a spin current interacts with a ferromagnetic Heisenberg spin chain, to eventually reverse the magnetization of the chain. Spin flips are accomplished through both elastic and inelastic scattering. A consequence of the inelastic-scattering channel, when it is no longer energetically possible, is the occurrence of a nonequilibrium …
Functionally Graded Materials By Laser Metal Deposition, Syamala Rani Pulugurtha, Joseph William Newkirk, Frank W. Liou, Hsin-Nan Chou
Functionally Graded Materials By Laser Metal Deposition, Syamala Rani Pulugurtha, Joseph William Newkirk, Frank W. Liou, Hsin-Nan Chou
Materials Science and Engineering Faculty Research & Creative Works
Fabrication of functionally graded materials (FGMs) by laser metal deposition (LMD) has the potential to offer solutions to key engineering problems over the traditional metal-working techniques. But the issues that need to be addressed while building FGMs are intermixing in the layers and cracking due to the residual stresses. This paper is to present the study of the effect of process parameters (laser power and travel speed) on the degree of dilution between the substrate (or, previous layer) and powder material for few metallurgical systems.
Electrical Properties Of Phosphate Glasses, Andrea Mogus-Milankovic, Ana Santic, Signo Tadeu Dos Reis, D. E. Day
Electrical Properties Of Phosphate Glasses, Andrea Mogus-Milankovic, Ana Santic, Signo Tadeu Dos Reis, D. E. Day
Materials Science and Engineering Faculty Research & Creative Works
Investigation of the electrical properties of phosphate glasses where transition metal oxide such as iron oxide is the network former and network modifier is presented. Phosphate glasses containing iron are electronically conducting glasses where the polaronic conduction is due to the electron hopping from low to high iron valence state. The identification of structural defects caused by ion/polaron migration, the analysis of dipolar states and electrical conductivity in iron phosphate glasses containing various alkali and mixed alkali ions was performed on the basis of the impedance spectroscopy (IS). The changes in electrical conductivity from as-quenched phosphate glass to fully crystallized …