Blar i Institutt for materialteknologi på tittel
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Effects of CO2 cover gas and yttrium additions on the oxidation of AlMg alloys
(Chapter, 2019)AlMg alloys are known to suffer from problematic oxidation that can result in significant dross formation and loss of Mg from the melt. Historically, beryllium has been used to minimize the oxidation as it forms a protective ... -
Effects of Compaction and Thermal Pre‑treatments on Generation of Dross and Off‑Gases in Aluminium Recycling
(Peer reviewed; Journal article, 2023)Organic coatings are a challenge for aluminium packaging recycling since they tend to increase the re-melting metal losses. A solution is de-coating the scrap via a thermal pre-treatment to burn-off the organics before ... -
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 ... -
Effects of Exposure Timing on cyp1a Expression, PAH Elimination, and Lipid Utilization in Lumpfish Embryos Exposed to Produced Water
(Peer reviewed; Journal article, 2023)Intentional discharges of produced water from oil production platforms to the marine environment contain a complex mixture of toxicants, including polycyclic aromatic hydrocarbons (PAHs). Early life stages of fish are ... -
Effects of H2-H2O Mixtures on Reducibility of Bauxite Residue - CaO Sintered Pellets
(Bachelor thesis, 2023)Det er et sterkt ønske å minimere produksjonen av rødslam fra aluminiumindustrien, da det står for et stort miljøproblem i dag. Det høye alkalitetsnivået og fordelingen av fine partikkelstørrelser er hovedårsakene til at ... -
Effects of Heat Treatment on Microstructure, Strength and Hardness of F22 Steel
(Master thesis, 2013)In offshore oil exploitation, the riser is an important component, linking the installations on the seabed to the surface installations. This master's thesis has looked at the possibility of implementing forge welding in ... -
Effects of iron precipitation and novel metal screw extrusion on electrical conductivity and properties of AA1370 aluminium
(Journal article; Peer reviewed, 2020)In order to develop well-performing aluminium electrical conductors, the role of iron and processing method on electrical and mechanical properties was studied for an AA1370 alloy. Firstly, Ø3 mm cold drawn wires were ... -
Effects of La2O3 Addition into CaO-SiO2 Slag: Structural Evolution and Impurity Separation from Si-Sn Alloy
(Peer reviewed; Journal article, 2021)Boron (B) and phosphorus (P) are the most problematic impurities to be removed in the production of solar-grade silicon by the metallurgical process. In this work, the distribution of B and P between CaO-(La2O3)-SiO2 slags ... -
Effects of material structure on the electrical properties of ferroelectric plastic crystal tetramethylammonium bromotrichloroferrate(III)
(Master thesis, 2020)Ferroelektriske materialer er foretrukne i en rekke applikasjoner, slik som mobiltelefoner, medisinsk ultralyd og digitalt minne, på grunn av at de har elektrisk polarisasjon som kan endre retning. Metalloksider, som er ... -
Effects of Mn content and cooling conditions in a rolled AA 3005A alloy
(Master thesis, 2021)Sekundærproduksjon av aluminium innebærer omsmelting av aluminiumsskrap i tillegg til tilsetninger av primæraluminium og legeringselementer. Ettersom den kjemiske sammensetningen i skrapet varierer vil dette også føre til ... -
Effects of Oxygen Mobility in La-Fe-Based Perovskites on the Catalytic Activity and Selectivity of Methane Oxidation
(Peer reviewed; Journal article, 2020)The mechanism and structure requirements of selective and total oxidation of methane in a chemical looping process are both experimentally and theoretically examined on La1–xSrxFeO3−δ (x = 0, 0.2, and 0.5) and La0.5Sr0.5 ... -
Effects of Pre-Oxidation on the Hydrogen Reduction of Ilmenite
(Master thesis, 2023)Presset for å gjøre metallurgiske prosesser mer miljøvennlige øker stadig. Dette har ført til forskning på hvordan man kan erstatte karbonmonoksid som reduksjonsmiddel med andre alternativer. En gass som har vist seg å ha ... -
Effects of scandium addition in wrought aluminium alloys
(Doktoravhandlinger ved NTNU, 1503-8181; 3, Doctoral thesis, 2002)A series of seven papers is presented in this thesis. Paper 1 is a comrehensive review of a considerable part of the available literature on Scandium in Aluminium alloys. Paper 2 and Paper 3 is a study of isothermal ... -
Effects of second-phase particles on texture during softening of an Al-Mn alloy investigated by correlative microscopy
(Doctoral theses at NTNU;2024:48, Doctoral thesis, 2024)Aluminium is the second most used metal by weight after iron, and aluminium alloys are some of the most important structural light alloys. Motivated by reducing weight, energy, and cost, many manufacturers are replacing ... -
Effects of Shading on PV Power Production in Norwegian Climates
(Master thesis, 2018)Policy, and a significant decrease in cost have played a major role in bringing photovoltaic solar to the forefront as a renewable energy source and a lucrative business opportunity around the world. The Norwegian solar ... -
Effects of Surface Treatment on Hypoeutectoid Steels and Commercially Pure Copper in a Compound Casting Process with Aluminum A356 Alloy
(Master thesis, 2017)Evidence of climate change has caused industries worldwide to start measures towards reducing greenhouse gas emission. The automotive industry is a large contributor to emission and has therefore demanded production of ... -
Effects of three metal coupling on galvanic crevice corrosion
(Master thesis, 2017)The subsea industry is moving its operations down onto the seabed. With this new direction in production solutions a larger emphasis is placed on reducing the weight of the components in the production unit. Finding ... -
Effects of Water Content and Temperature on Bulk Resistivity of Hybrid Cement/Carbon Nanofiber Composites
(Peer reviewed; Journal article, 2020)Cement nanocomposites with carbon nanofibers (CNFs) are electrically conductive and sensitive to mechanical loads. These features make them useful for sensing applications. The conductive and load sensing properties are ... -
Effects of Water Cooling of Green Anodes on Anode Furnace Operation
(Journal article; Peer reviewed, 2018)Water can be present in significant amounts in green anodes due to cooling with water after the forming process. The chemical environment in the pit can potentially be affected by the presence of water and may cause ... -
Effekt av anløpning på de mekaniske egenskapene til et martensittisk rustfritt stål
(Master thesis, 2013)Martensittisk rustfritt stål er ansett som et velegnet materiale til propellblader, turbinskovler og flydeler. Stålet viser god sveisbarhet, styrke og seighet, samtidig som korrosjonsmotstanden betraktes som tilfredsstillende. ...