Blar i Institutt for materialteknologi på utgivelsesdato
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High performance multicrystalline silicon: Grain structure and iron precipitation
(Journal article; Peer reviewed, 2017)We report results from a national project about impurities in high performance multicrystalline silicon: Contamination sources, transport routes, interaction with crystal defects and impact on solar cell efficiency parameters. ... -
Fume Formation from Oxidation of Liquid SiMn Alloy
(Journal article; Peer reviewed, 2017)Thermally generated fumes from the production of manganese ferroalloys are mostly composed of metallic oxides generated due to reaction between high-temperature molten metal and ambient oxygen in the air. In the current ... -
Controlling grain structure and texture in Al-Mn from the competition between precipitation and recrystallization
(Journal article; Peer reviewed, 2017)The recrystallization behaviour of Al-Mn alloys (AA3xxx series alloys) is affected by randomly distributed dispersoids present before annealing, by dispersoids precipitated at grain/subgrain boundaries before the onset of ... -
Vapour Pressure of Bi above Bi-Ti Alloys by Transpiration Method
(Master thesis, 2017)Titanium is an attractive metal with wide-ranging applications due to its properties. Titanium is one of the most corrosion resistant metals with the highest strength-to-weight ratio. The only industrial production route ... -
10 nm deep, sub-nanoliter fluidic nanochannels on germanium for attenuated total reflection infrared (ATR-IR) spectroscopy
(Journal article; Peer reviewed, 2017)The fabrication of sub-nanoliter fluidic channels is demonstrated, with merely 10 nm depth on germanium, using conventional semiconductor device fabrication methods and a polymer assisted room-temperature sealing method. ... -
Is literature data useful for identifying enzyme catalysts for new substrates? A case study on reduction of 1-aryl-2-alkanoates
(Journal article; Peer reviewed, 2017)The use of literature data to identify catalysts for a novel transformation is a commonly used approach. Herein, we have evaluated if this is a viable strategy in enzyme catalysis, using asymmetric reduction of 1-aryl-2-alkanoates ... -
Effects of cryogenic temperature and pre-stretching on mechanical properties and deformation characteristics of a peak-aged AA6082 extrusion
(Journal article; Peer reviewed, 2017)Plastic deformation studies of a peak-aged AA6082 alloy by means of tensile tests at 77 K and 295 K, and related microstructure characteristics obtained by Scanning Electron Microscopy (SEM), Electron Backscatter Diffraction ... -
First-principles study of the effect of (111) strain on octahedral rotations and structural phases of LaAlO3
(Journal article; Peer reviewed, 2017)The structural and electronic response of LaAlO3 to biaxial strain in the (111) plane is studied by density functional theory (DFT) and compared with strain in the (001) plane and isostatic strain. For (111) strain, in-plane ... -
Enabling Efficient Heat Recovery from Aluminium Pot Gas
(Chapter, 2017)In the present work, previous studies carried out by the Norwegian aluminium industry and research centres with the aim of recovering heat from aluminium production off-gas, are reviewed. The main challenge in improving ... -
Wetting Behavior and Reactivity of Molten Silicon with h-BN Substrate at Ultrahigh Temperatures up to 1750 °C
(Journal article; Peer reviewed, 2017)For a successful implementation of newly proposed silicon-based latent heat thermal energy storage systems, proper ceramic materials that could withstand a contact heating with molten silicon at temperatures much higher ... -
Finite-size effects of Kirkwood–Buff integrals from molecular simulations
(Journal article; Peer reviewed, 2017)The modelling of thermodynamic properties of liquids from local density fluctuations is relevant to many chemical and biological processes. The Kirkwood–Buff (KB) theory connects the microscopic structure of isotropic ... -
The effect of Zr-substitution in La1-xSrxCo0.2M0.6Zr0.2O3-δ (M=Fe, Mn) on the crystal structure, thermal expansion and electronic transport properties
(Journal article; Peer reviewed, 2017)The effect of Zr-substitution on the evolution of crystal structure, thermal expansion and the electronic transport properties is reported for La1‐xSrxCo0.2Fe0.6Zr0.2O3‐δ (0.1 ≤ x ≤ 1.0) and La1‐xSrxCo0.2Mn0.6Zr0.2O3-δ (x ... -
Thermodynamic Behavior and Mass Transfer Kinetics of Boron Between Ferrosilicon and CaO-SiO2 Slag
(Journal article; Peer reviewed, 2017)Equilibrium distribution and transport kinetics of boron between ferrosilicon and calcium silicate slag were investigated through experimental study. A 50 pct CaO-50 pct SiO2 slag (by weight) was held for different durations ... -
Role of Lone Pair Cations in Ferroelectric Tungsten Bronzes
(Journal article; Peer reviewed, 2017)The role of lone pair cations in tetragonal tungsten bronze (TTB) ferroelectrics has so far not been addressed in detail despite the importance of lone pairs for the polarization mechanism in the prototype ferroelectric ... -
The Properties of Calcined Anthracite
(Master thesis, 2017)The aim of this thesis has been to look at the thermal behaviour of anthracite, coke and charcoal regarding their expansion during heating and their release of off-gases. Furthermore, to look at how the porosity and expansion ... -
State of the surface of antibacterial copper in phosphate buffered saline.
(Journal article; Peer reviewed, 2017)The state was investigated of the copper surface in phosphate buffered saline (PBS; 140 mM Cl−, 10 mM phosphate; pH 7) by a combination of cyclic voltammetry (CV) and chronoamperometry (CA) with in situ spectroscopic ... -
Development of Hydrophobic Surfaces for Anti-Icing Applications
(Master thesis, 2017)Ice accumulation on outdoor infrastructure is a major problem for many industries. Several strategies are commonly employed to remove ice, but they are often expensive or have negative environmental consequences. An ... -
Effect of Magnesium Addition on Removal of Impurities from Silicon by Hydrometallurgical Treatment
(Chapter, 2017)Hydrometallurgical treatment of silicon is an effective process for the removal of metallic impurities for producing solar grade silicon feedstock. In the present research, the removal of impurities from silicon is studied ... -
Modelling of strain-path transients in commercially pure aluminium
(Journal article, 2017)In the current work, the recently proposed homogeneous anisotropic hardening (HAH) model, featuring a distorted yield surface, is applied to commercially pure aluminium. A dislocation-based hardening rule is incorporated ... -
In operando neutron diffraction study of LaNdMgNi9H13 as a metal hydride battery anode
(Journal article; Peer reviewed, 2017-03-01)La2MgNi9-related alloys are superior metal hydride battery anodes as compared to the commercial AB5 alloys. Nd-substituted La2-yNdyMgNi9 intermetallics are of particular interest because of increased diffusion rate of ...