Materials Literature
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The ecological and public health liabilities related with consuming petroleum resources have inspired the development of sustainable and environmental friendly materials.Plant protein, as a byproduct of oil extraction, has been identified as an economical biomaterial source and has previously demonstrated excellent po…
The method of neutron diffraction with isotopic or isomorphic substitution (NDIS) was employed to investigate the atomic-scale structure of several disordered multi-component materials, thus reducing the complexity of correlations associated with a single diffraction pattern. The solvation of the Cl ion in a 5 molal s…
The development of hypersonic vehicles leans heavily on computational simulation due to the high enthalpy flow conditions that are expensive and technically challenging to replicate experimentally. The accuracy of the nonequilibrium modeling in the computer simulations dictates the design margin that is required for t…
Heat dissipation is a critical bottleneck for microelectronic device performance and longevity. At micrometer and nanometer length scales heat carriers scatter at the boundaries of the material reducing its thermal conductivity. Additionally, thermal boundary conductance across dissimilar material interfaces becomes a…
Mediante una reacción de polimerización vía radicales libres se sintetizaronhidrogeles (HG)copolímeros de poli(acrilamida-co-ácido itacónico), poli(AAm-co-AI); y poli(acrilamida-co-ácido maleico), poli(AAm-co-AM); con la finalidad de estudiar el efecto que ejerce la estructura química de estos ácidos di-carboxílicos s…
Surfactant segregation in solid polymer films is a little studied area of scientific research. This investigation launches an initial exploration into the behaviour of surfactant and plasticiser (glycerol) molecules in a poly(vinyl alcohol) (PVA) matrix. By understanding the nature of segregation within these systems,…
High Voltage Direct Current (HVDC) enables transfer of electric power over long distances with high efficiency. In order to further increase the efficiency, the voltage levels are increasing. In turn, this means that for the design of both robust and cost effective electric insulation, the importance of understanding…
Geopolymers are a subset of alkali-activated materials, synthesised from by-products of low-calcium aluminosilicates such as fly ash (FA) and metakaolin (MK). These clinker-free binders have been developed as a potential partial replacement of CEM I (ordinary Portland cement) in order to help reduce the environmental…
This Masters project work has its genesis in the preliminary findings of a research collaboration in 2016 between the Department of Electric Power Engineering, NTNU, and Statnett (the Norwegian Transmission System Operator). As its overarching goal, the research proposition centred on developing a foundation for a sui…
Silver is a precious metal that has traditionally been used for jewellery and money. It also possesses desirable properties such as being corrosion resistant and having good electrical conductivity, resulting in its use for industrial applications. Furthermore, it is also recognised for its tribological properties in…
An error appears within Table II on page A366 in the unit of measure for C para .The corrected table is
Bacterial cellulose has high degree of crystallinity, high purity, excellent water-binding properties and good shape retention advantages, compared to plant cellulose, and it has many potential applications in various industries. The gluconic acid, a by-product produced during BC production, can decrease the pH of cul…
According to a many publications and discussions, fast reactors hold promises to improve safety, non-proliferation, economic aspects, and reduce the nuclear waste problems. Consequently, several reactor designs advocated by the Generation IV Forum are fast reactors. In reality, however, after decades of research and d…
This thesis is devoted to experimental studies of Heusler compounds CoFeCrAl, CoFeCrX (X = Si, Ge) and Mn2PtSn. These Heusler alloys present an interesting class of ferromagnetic materials for spintronic applications since they are predicted to be spin gapless semiconductors and have half-metallic properties with 100…
This thesis is a study of gas separation by low-dimensional nanomaterials through selective adsorption and membrane separation. The study uses first-principles quantum mechanical simulations and classical molecular dynamic simulations to study the gas separation behaviour of doped fullerenes, porous boron nitride memb…
There is an ever-increasing use of sustainable, bio-derived feedstocks in fuel oils including hydrogenated vegetable oil (HVO) from agricultural or recycled sources. HVO fuels consist of a narrow alkane distribution mainly octadecane (C18) and hexadecane (C16). Such fuels crystallise easily, which can lead to vehicle…
The emerging field of 3D printing has expanded to the fabrication of metallic components during the last decade. Among the most prominent applications is the production of aluminium bronze marine propellers by the Wire+Arc Additive Manufacturing (WAAM) method. This method incorporates a welding system attached to a ro…
MEAM Modified Embedding Atom Method, page 56 MOD Modified Tersoff Potential, page 53 MOD* Electron-temperature dependent MOD potential, page 73 NRBC Non-Reflecting Boundary Conditions, page 54 nTTM Extended (carrier density n) Two-Temperature Model, page 41 PBE Perdew, Burke and Ernzerhof functional, page 51
Organic light-emitting diodes (OLEDs) are poised to realize high performance for innovative display and lighting applications in the future. However, the development of suitable blue OLEDs remains a challenge which has impeded the progress of large-scale OLED commercialization for more than a decade. Blue devices are…
The surge of interest in multifunctional materials over the past 15 years has been driven by their fascinating physical properties and huge potential for technological applications such as sensors, microwave devices, energy harvesting, photovoltaic technologies, solid-state refrigeration, and data storage recording te…