Blar i Institutt for materialteknologi på dokumenttype "Master thesis"
Viser treff 101-120 av 698
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Comparing the Performance of Different Silicon Powders for Use in Lithium-Ion Batteries
(Master thesis, 2018)The topic of this thesis is silicon anodes for lithium-ion batteries. The aim of this thesis is to compare three different types of silicon powders for use in lithium-ion batteries - a micron-sized powder (Silgrain e-Si ... -
Comparison Between Microstructure Parameters and Electrochemical Performance of Ni-CGO Anodes in SOFC Subjected to Redox-Cycling
(Master thesis, 2011)The aim of this thesis was to create an understanding between the electrochemical performance of a porous Ni-CGO anode used in SOFC, and its microstructural parameters when subjected to redox-cycling. The anode samples ... -
Compatibility Study of Carbon-Based Refractory Materials utilized in Silicomanganese Production Furnaces
(Master thesis, 2011)Tap hole refractories constitute critical parts of the refractory lining in submerged arc furnaces. For several hours every day, molten slag and metal flow through the tap hole calling for thorough selection of refractory ... -
Composition and Surface Modifications of Silica Structures in Diatiom Frustules by Incorporation of Functional Oxides and Nitride Formation
(Master thesis, 2012)Renewable energy production featuring silicon photovoltaic solar cells are of considerable interest to reduce pollution and related environmental changes. Improvements in efficiency along with reductions in cost are key ... -
Computational Alloy Design of AA6xxx Extrusions
(Master thesis, 2019)I denne oppgaven har en rekke beregningsmodeller blitt brukt for å simulere hele prosessen for ekstrudert aluminium og senere utherding. Den proprietære programvaren \pro{} knytter sammen flere modeller. I denne oppgaven ... -
Computational Materials Design of Materials for CO2 Conversion using Sunlight
(Master thesis, 2021)Et stor-skala materialsøk for en halvleder passende for fotokatalytisk CO2-konvertering har blitt gjennomført gjennom et ab-initio beregningsstudie ved hjelp av tetthetsfunksjonalteori (DFT). Materialene som har blitt ... -
Computational Modelling of Mass Transfer in Molten Salt Electrolyte for Na-Zn Liquid Metal Batteries
(Master thesis, 2023)Flytende metall-batterier (eller FMB-er) er en fremvoksende batteriteknologi som blir stadig mer relevant for storskala energilagring på strømnettet. Denne lagringen kan bidra til å redusere variasjonene i strømforsyningen ... -
Computational Prediction and Characterisation of Novel Li-ion Solid Electrolytes based on Earth Abundant LiSiNO
(Master thesis, 2022)"All solid-state-batterier" (ASSB) basert på faststoff elektrolytter (SSE) er en lovende løsning på de nåværende sikkerhetsproblemene som moderne batteriteknologi står ovenfor. LiSiNO-strukturen har tidligere vist seg ... -
Computational Study of Migration Barriers in the Li Ion Solid State Electrolyte Li7La3Zr2O12
(Master thesis, 2021)For å bekjempe klimaforandringer må ny teknologi innenfor energilargingsfeltet utvikles. For å sikre trygge og gode batterier må faststoffelektrolyttene, som brukes per dags dato, forbedres. I dette prosjektet ble mobiliteten ... -
Conductive Coatings for Metal Bipolar Plates in Proton Exchange Membrane Water Electrolyzers
(Master thesis, 2016)Due to the use of expensive materials, only 4 % of hydrogen production today is from water electrolysis. The most efficient low-temperature electrolyzer is the proton exchange membrane electrolyzer (PEMWE), where the bipolar ... -
Connection Between Critical Stress and Hydrogen Content for SDSS under Cathodic Protection
(Master thesis, 2014)In recent years Super Duplex Stainless Steel (SDSS) installed subsea with cathodic protection has failed during service. The failures have been due to Hydrogen Induced Stress Cracking (HISC). The effect from different ... -
Continued study to aluminothermic reduction process for silicon production
(Master thesis, 2022)Hovedmålet med denne oppgaven var å undersøke effekten av understøkiometrisk reduksjonsmiddeltilsetning i silikabasert slagg under aluminotermisk reduksjonsprosess. Produksjon av Si med mindre Ca-innhold har vært et av ... -
Controlled Laser Damage of Single-Photon Avalanche Photodiodes
(Master thesis, 2012)Quantum cryptography has been developed from being a theoretical proposal to having real world applications, with companies developing and selling quantum key distribution (QKD) instruments commercially. Although laws of ... -
Corrosion and Cathodic Protection of Steel-Aluminium Galvanic Couples in Subsea Structures
(Master thesis, 2018)An increasing interest for use of aluminium in subsea structures has been seen the resent years, considering replacing some of the heavier steel components with aluminium. Due to good corrosion resistance and strength to ... -
Corrosion Behaviour of Aluminium-Steel Welded Joints
(Master thesis, 2018)Multi-material solutions is a hot research topic in the automotive industry. The possibility to combine the physical and mechanical properties of different materials in a car component can both increase passenger safety, ... -
Corrosion Development in Welded AA6082 Alloys
(Master thesis, 2013)AlMgSi alloys, frequently used as extruded profiles, generally show excellent corrosionresistance, as Mg is incorporated in the protective oxide layer, thus providing additionalstabilization. However, localized corrosion ... -
Corrosion Fatigue of AA6082 Aluminium Alloy: The Effects of Coating and Ti Additions
(Master thesis, 2019)Effektene av anodisering og organisk belegg (KTL) på korrosjonsutmattingsegenskapene til en ekstrudert AA6082 aluminiumslegering ble undersøkt. Ubelagte og anodiserte prøver med ekstra Ti i legeringen ble også testet. En ... -
Corrosion fatigue of an extruded 7046 alloy
(Master thesis, 2018)The corrosion fatigue properties of a 7046 alloy were investigated and compared to previously reported work by SINTEF on the same alloy tested in air. To establish the corrosion fatigue properties, samples were either ... -
Corrosion Fatigue of Extruded AA6082 Aluminium Alloy - The effects of Surface Roughness: Machined, Punched, and Counter Trimmed Surfaces
(Master thesis, 2017)The aim of this master s thesis is to investigate the corrosion fatigue properties of an extruded AA6082 alloy. Surface roughness deeply affects fatigue and corrosion fatigue. Surface roughness depends on the shaping ... -
Corrosion of Thermally Sprayed Aluminum in Flowing Seawater
(Master thesis, 2012)Raw sea water can be pumped into subsea wells where pressure drops have occurred to increase the pressure again and thereby the production rate. Thermally sprayed aluminum (TSA) is considered as internal corrosion protection ...