Materials Literature
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In the ongoing search for (new) highly efficient and cheap photovoltaic materials, orthorhombic barium disilicide has sparked recent interest. Studies have shown that BaSi2 exhibits good electrical properties, a bandgap of 1.3 eV and a high absorption coefficient. However, these studies have mainly been performed on m…
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, 2017.
The investigation of failure in brittle materials, subjected to dynamic transient loading conditions, represents one of the ongoing challenges in the mechanics community. Progresses on this front are required to support the design of engineering components which are employed in applications involving extreme operation…
Fundamental understanding of structural relaxation time is important in characterization of food materials. Various relationships, such as Arrhenius, VogelTammann-Fulcher (VTF), Williams-Landel-Ferry (WLF) and Angell’s fragility have been used to model the temperature dependence of structural relaxation times of amorp…
Cellulose is one of the most popular natural fibers in the textile and apparel industries. The cultivation of cotton can have negative impacts on the environment. For example, over 20,000 liters of water is needed to produce enough cotton for a single pair of jeans and a T-Shirt (World Wildlife Fund, 2016). Bacterial…
Solid oxide fuel cells (SOFCs) have gained renewed interest due to their high energy-conversion efficiency, new discovery of fossil fuel sources, and low greenhouse gas emission. However, performance degradation during long-term operation is one of the greatest challenges to overcome for commercialization of SOFCs. At…
Mixture of magnesium oxide with either silica fume or phosphate were prepared in this research. The workability, mechanical properties and the microstructure of the two magnesium based binder were examined. Compressive strength tests showed that the magnesium phosphate cement (MPC) gained early strength much faster th…
Heavy Liquid Metal Cooled Reactors are among the concepts, fostered by the GIF, as potentially able to comply with stringent safety, economical, sustainability, proliferation resistance and physical protection requirements. The increasing interest around these innovative systems has highlighted the lack of tools speci…
Residual stresses resulting from the manufacturing process found within a silicon carbide/silicon carbide (SiC/SiC) ceramic matrix composite were thoroughly investigated through the use of high-energy X-ray diffraction and Raman microspectroscopy. The material system studied was a Rolls-Royce composite produced with H…
In this thesis, we consider the electronic properties of bilayer graphene in a steady, parallel magnetic field. Using the tight–binding model, and taking into account relevant tight–binding parameters, we find a new contribution to the electronic Hamiltonian describing the orbital effect of the magnetic field. We cons…
In the recent decades, there has been much interest in functionalized surfaces produced by ultrafast laser processing. Using pulse lasers with nanosecond to femtosecond time scale, a wide range of micro/nanoscale structures can be produced on virtually all metal surfaces. These surface structures create special optoel…
We implement a method for constructing analytic interatomic potentials by fitting artificial neural networks to data from molecular dynamics simulations. The LAMMPS distribution is extended with an algorithm for sampling atomic configurations and energies, and TensorFlow, in combination with the Behler-Parrinello meth…
The motion of electrons in atoms, molecules, and solids in the presence of intense electromagnetic radiation is an important research topic in physics and physical chemistry because of its fundamental nature and numerous practical applications, ranging from precise machining of materials to optical control of chemical…
The damping factors of flax-PP commingled composites manufactured with different sets of processing parameters were assessed and correlated to the composite microstructure, flax fibre degradation as well as the tensile modulus and strength of the composite.
О р д е н а Л е н и н а ИНСТИТУТ ПРИКЛАДНОЙ МАТЕМАТИКИ имени М.В.Келдыша Р о с с и й с к о й а к а д е м и и н а у к А.Н.Козлов, В.С.Коновалов Модель неравновесного процесса ионизации с учетом поуровневой кинетики и переноса излучения в канале плазменного ускорителя Москва -2017 Козлов А.Н., Коновалов В
Vitrinite reflectance and spectral fluorescence are commonly used together to determine the rank and thermal maturity of shale samples. Although vitrinite is not commonly found in the New Albany Shale, solid bitumen is found in significant amounts; reflectance of solid bitumen provides another method to determine matu…
Austempered Ductile Cast Iron is emerging as an important engineering materials in recent years because of its excellent combination of mechanical properties such as high strength with good ductility, good fatigue strength and fracture toughness together with excellent wear resistance. These combinations of properties…
This work addresses the failure mechanisms of polyurea when is loaded with an ultra-high strain pressure wave. This kind of loading is present when polyurea is used as a protective layer against projectiles in ballistics and explosions. A large amount of research has been done on this polymer at room temperature and a…
In Verbrennungsmotoren ist der Tribokontakt Topring gegen Zylinderlaufbahn einer der am höchsten beanspruchten Kontakte. Die Anforderungen an Reibungsoptimierung und geringen Verschleiß bei gleichzeitig hoher Laufzeit erfordern ein detailliertes Verständnis dieses tribologischen Kontaktes. Aus diesem Grund ist es erfo…
Correction for 'Key role of surface oxidation and reduction processes in the coarsening of Pt nanoparticles' by Eduardo Solano et al., Nanoscale, 2017, 9, 13159-13170.