Blar i Institutt for materialteknologi på tittel
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Effect of Different Polymorphs of SiO2 on the Reaction between SiO2 and SiC in Si Production
(Master thesis, 2017)The aim of this work have been to investigate the phase transformations in silica (SiO2) during heating to target temperature, and the effect of SiO2 polymorphs on the reduction reaction between SiO2 and silicon carbide ... -
Effect of different SiO2 polymorphs on the reaction between SiO2 and SiC in Si production
(Peer reviewed; Journal article, 2021)This work investigates the phase transformations in silica (SiO2) during heating to a target temperature between 1700 °C and 1900 °C and the effect of SiO2 polymorphs on the reduction reaction 2SiO2 + SiC = 3SiO + CO in ... -
The Effect of Electrode Movements on Electrical Characteristics of a Submerged Arc Furnace
(Peer reviewed; Journal article, 2021)This work discusses the effect of electrode position on the electrical characteristics of a submerged arc furnace. A 3D model has been developed in ANSYS Maxwell using an eddy current solver that considers alternating ... -
The effect of Equal Channel Angular Pressing on the stress corrosion cracking susceptibility of AZ31 alloy in simulated body fluid
(Peer reviewed; Journal article, 2020)Despite the great potential of Mg and its alloys as material for biodegradable implants, their low resistance to the simultaneous action of corrosion and mechanical stresses in the human body have hampered their use. Stress ... -
Effect of Extrusion Combination Types on Microstructure and Mechanical Properties of the AZ31/GW103K Bimetallic Composite Plates
(Peer reviewed; Journal article, 2022)The AZ31/GW103K bimetallic composite plates were prepared by co-extrusion of different combination types (sandwich extrusion type and double semicircle extrusion type), and effects of different extrusion combination types ... -
Effect of Fe and Si content in Aluminium Alloys as a result of increased recycling: Testing of high purity Aluminium Alloys in uniaxial tension
(Master thesis, 2011)The recycling of aluminium from used aluminium scrap leads to an unavoidable presence of pollutions in the form of elements of various amounts. Two such elements are iron and silicon. These will always be present to some ... -
Effect of fine coke particles on rheological properties of the binder matrix of carbon anodes in aluminium production process
(Peer reviewed; Journal article, 2021)Aluminium production through the Hall-Héroult process relies on an extensive use of carbon anodes, which are originally made of coal tar pitch and fine and coarse carbon particles. During the forming process of green anodes, ... -
Effect of Firing Temperature on the Kinetics of Oxygen Reduction in La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) Cathodes for Solid Oxide Fuel Cells
(Master thesis, 2015)In the present work, symmetric cells consisting of La0.6Sr0.4Co0.2Fe0.8O3-delta (LSCF) cathodes and a Ce0.9Gd0.1O2-delta (CGO) electrolyte were fabricated. Both materials were spray-pyrolyzed by CerPoTech AS (Trondheim, ... -
Effect of gas atmospheres on the interactions between liquid silicon and coated graphite substrates
(Peer reviewed; Journal article, 2022)Interactions between the gas atmosphere, liquid silicon, Si3N4 coating, and graphite are of great interest for photovoltaic silicon applications. However, previous studies focus more on the wetting of silicon on coated ... -
The Effect of Grain Refiner on Aluminium Filtration
(Peer reviewed; Journal article, 2021)Grain refinement of aluminium and its alloys is a common industrial practice. Fine equiaxed, grain structure leads to improved castability, strength, machinability, formability, and good surface finish. Filtration is one ... -
Effect of heat input on nanomechanical properties of wire-arc additive manufactured Al 4047 alloys
(Peer reviewed; Journal article, 2022)Heat input is one of the most important process parameters during additive manufacturing (AM). It is of great significance to understand the effect of heat input on the microstructure and nanomechanical properties, as well ... -
Effect of Hot Rolling on Grain Refining Performance of Al–5Ti–1B Master Alloy on Hot Tearing on Al–7Si–3Cu Alloy
(Journal article; Peer reviewed, 2018)It has been known experimentally that TiAl3 acts as a powerful nucleant for the solidification of aluminum from the melt; however, a full microscopic understanding is still lacking. To improve microscopic understanding, ... -
Effect of hybridization in PdAlY-(Ni/Au/Ir) metallic glasses thin films on electrical resistivity
(Peer reviewed; Journal article, 2022)Thin film metallic glasses (MGs) are promising materials for electronic applications. While the transport properties of MGs are composition dependent, the influence of hybridization on the resistivity has not been investigated ... -
The Effect of Hydrogen and Methane Containing Gases on SiC and SiO formation
(Doctoral theses at NTNU;2023:48, Doctoral thesis, 2023)The production of silicon is currently done in a submerged arc furnace where quartz react with carbon. This emits large amounts of CO2to the atmosphere. From a global warming perspective this is far from ideal, and ... -
Effect of Inclusion and Filtration on Grain Refinement Efficiency of Aluminum Alloy
(Journal article; Peer reviewed, 2022)It is well known that the filtration efficiency of ceramic foam filters (CFF) on aluminum melt can be significantly reduced by the addition of grain refiner particles under a high inclusion load. Also, it is usually ... -
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 ... -
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 ... -
Effect of marine environment on the tribology performance of materials used in lubricated rotating parts of offshore wind turbines
(Master thesis, 2012)The use of offshore wind turbines as a source of renewable energy is promising. However, many challenges have to be solved before they will be cost effective. The operation time, without any maintenance required, is desired ... -
Effect of mechanical depoling on piezoelectric properties of Na0.5Bi0.5TiO3 - xBaTiO3 in the morphotropic phase boundary region
(Journal article; Peer reviewed, 2018)The effect of mechanical stress on the direct piezoelectric properties of pre-poled (1 − x)(Na0.5Bi0.5)TiO3–xBaTiO3 (NBT–xBT) in the range 4% ≤ x ≤ 13% was studied in situ using a mechanical load frame. Prior to mechanical ... -
Effect of Mg content in the La3-xMgxNi9 battery anode alloys on the structural, hydrogen storage and electrochemical properties
(Peer reviewed; Journal article, 2021)The present work is focused on the studies of structure, hydrogen storage and electrochemical properties of the La3-xMgxNi9 (x = 1.0, 1.1 and 1.2) alloys as active materials of negative electrodes in the Nickel-Metal Hydride ...