Blar i Institutt for materialteknologi på tittel
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Effect of TiC nanoparticle addition in metal screw extruded AA7108 filler wire
(Master thesis, 2023)Bruken av nanokomposittsveisetråder har fått betydelig oppmerksomhet som et tiltak for å håndtere utfordringer forbundet med konvensjonell sveising av aluminium. I denne undersøkelsen ble en nanokompositt-tråd med sammensetning ... -
Effect of trace element lead on the electrochemistry and corrosion of aluminium alloys
(Doctoral thesis, 2005)Electrochemical activation of aluminium in chloride solution as a result of heat treatment at temperatures above 350°C is attributed to enrichment of trace element lead at the oxide-metal interface. Activation is manifested ... -
Effect of trace elements indium, tin and lead on anodic activation of aluminium
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:75, Doctoral thesis, 2009) -
Effect of ultrasound on the distribution of nanoparticles in tumor tissue
(Master thesis, 2013)PC-3 prostate adenocarcinoma cells were injected subcutaneously in the hind leg of female Balb/c nude mice. After a few weeks of tumor growth, 200 $\mu$L of a solution containing gas bubbles stabilized by PBCA nanoparticles ... -
Effect of Vanadium on Grain Refinement of Aluminium
(Master thesis, 2013)Today, grain refinement of aluminium is effectively achieved by inoculation. The performance of the inoculants, as well as further growth restriction in the liquid metal, can be affected by alloy- elements and impurities. ... -
The effect of well temperature on the microstructure and the mechanical performance of bismuth-based plugs in well plugging and abandonment operations
(Journal article; Peer reviewed, 2024)Bismuth-tin (BiSn) alloys are considered promising candidates as potential alternatives to cement for well plugging and abandonment (P&A) applications to prevent any uncontrolled flow of deep reservoir fluids to the surface. ... -
Effect of Zr addition on overaging and tensile behavior of 2618 aluminum alloy
(Journal article; Peer reviewed, 2019)The effect of Zr addition on overaging and tensile behavior in a 2618 Al–Cu–Mg–Ni–Fe alloy has been investigated in this study. The chemical composition of the base 2618 alloy, containing ~0.1 wt % of Zr, was modified by ... -
Effect of Zr and Er on the microstructure, mechanical and electrical properties of Al-0.4Fe alloy
(Peer reviewed; Journal article, 2021)The effect of Zr and Er on the microstructure, electrical conductivity and mechanical properties of Al-0.4Fe alloy was investigated using optical microscope (OM), scanning electron microscope (SEM), electron back-scattered ... -
The effect of γ matrix channel width on the compositional evolution in a multi-component nickel-based superalloy
(Peer reviewed; Journal article, 2022)High-temperature diffusion affects the long-term stability of superalloys and hence their service life. Yet, details of the mechanisms remain elusive. Here, the γ-γʹ microstructure itself is used as a nanoscale diffusion ... -
Effects of 2 ppm Beryllium on the Oxidation of a 5XXX Aluminum Alloy at Temperatures Between 500 and 750 °C
(Chapter, 2017)The oxidation of molten aluminum has been thoroughly studied, and it is established empirically that beryllium has an inhibiting effect on the oxidation behavior. The aim of this work was to increase the fundamental ... -
Effects of atom probe analysis parameters on composition measurement of precipitates in an Al-Mg-Si-Cu alloy
(Peer reviewed; Journal article, 2022)Defining analysis parameter space for reliable composition measurement of materials is of significance for atom probe tomography applications. This research carefully explores the influence of specimen temperature and ... -
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 ...