Browsing Institutt for materialteknologi by Title
Now showing items 1021-1040 of 2562
-
Grain refinement of aluminium welds by Ti, TiB2, and TiC filler wire inoculation
(Peer reviewed; Journal article, 2023)A fine-grained fusion zone characterises a tough aluminium weld. To improve the solidification characteristics and refine the grains in aluminium welding, different inoculation particle combinations were introduced to the ... -
Grain refinement of commercial EC Grade 1070 Aluminum alloy for electrical application
(Master thesis, 2014)The aluminium alloys for electrical conductivity applications are not grain refined since the addition of grain refiners might decrease their electrical conductivity by inserting impurities into the melt. Still, non-grain ... -
Grain Refinement of Commercial EC Grade 1370 Aluminium Alloy for Electrical Applications
(Journal article; Peer reviewed, 2018)The purpose of the present study was to investigate the effect of different grain refiners’ additions on structure and electrical conductivity of commercially electrically conductive (EC) grade 1370 aluminium alloy. A ... -
Grain Refinement of High Alloyed Steel With Cerium Addition
(Master thesis, 2011)This master thesis has the objective to improve the mechanical properties of Super Duplex steel by adding Elkem Grain Refiner (EGR). EGR is commercial grain refiner where the active element is cerium. Cerium is a strong ... -
Grain Refiner Analysis a Metalurgical and Computational approach
(Bachelor thesis, 2024)Kornforfinande meisterlegeringar blir brukt i metallproduksjon for å oppnå mindre korn i det produserte metallet. Ein slik kornstruktur er ofte ønskeleg for dei forbetra mekaniske eigenska- pane. Desse meisterlegeringane ... -
Graphene Oxide Coatings for Anti-Fouling Applications
(Master thesis, 2020)Belegg (coatinger) med grohindrende egenskaper har evnen til å hemme algevekst på konstruksjoner i marine næringer, i skipsfart, offshoreindustri, fiskeoppdrett og vannrensing. I dag brukes kobberoksid i flere relaterte ... -
Graphical User Interface Implementation for an Indexing Workflow of Electron Backscatter Diffraction Patterns
(Master thesis, 2021)Innen materialteknologi er det avgjørende å ha oversikt over materialenes innhold og struktur. En etablert teknikk er diffraksjon av tilbakespredte elektroner (EBSD – Electron Backscatter Diffraction) i elektronmikroskop. ... -
Graphite crucible interaction with Fe–Si–B phase change material in pilot-scale experiments
(Peer reviewed; Journal article, 2023)Fe–26Si–9B alloy is a promising high temperature phase change material (HTPCM), due to its high heat of fusion, small volumetric change, abundance, and low cost. Additionally, graphite has been identified as a promising ... -
Green Ironmaking - Carburization of Green Direct Reduced Iron (DRI)
(Bachelor thesis, 2023)Dagens mest vanlige måte å lage jern fra jernmalm på er ved bruk av masovn, som produserer en stor mengde CO2-utslipp hvert år. Et grønnere alternativ til masovn er Direkte Reduksjon av Jern (DRI), som bruker reduksjonsgasser, ... -
Green Ironmaking – Direct Reduction of Iron Ore Pellets with Hydrogen Gas at Varying Temperature
(Bachelor thesis, 2023)Dagens jernproduksjon (Fe) med masovner er et voksende miljøproblem, ettersom det brukes store mengder med råmaterialer som bidrar til mye CO2-utslipp. Direkte redusert jernproduksjon (DRI) med hydrogen (H2) har vekket ... -
Growing gold nanostructures for shape-selective cellular uptake
(Journal article; Peer reviewed, 2018)With development in the synthesis of shape- and size-dependent gold (Au) nanostructures (NSs) and their applications in nanomedicine, one of the biggest challenges is to understand the interaction of these shapes with ... -
Growth Instabilities and Thermo-elastic Stresses in Czochralski Process for Silicon Single Crystal
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:150, Doctoral thesis, 2014)Silicon single crystal pulling process by Czochralski method is a multi-scale problem from atomistic scale defects up to several meters. This process involves several sources of instabilities e.g. crystal diameter perturbation, ... -
Growth mechanisms for crystaldefects in silicon for solar cells
(Master thesis, 2009) -
Guidelines for establishing an etching procedure for dislocation density measurements on multicrystalline silicon samples
(Journal article; Peer reviewed, 2018)With multicrystalline silicon becoming the main material used for photovoltaic applications and dislocations being one of the main material limitations to better solar cell efficiency, etch pit density measurements are ... -
Halogenated Pyrrolopyrimidines with Low MIC on Staphylococcus aureus and Synergistic Effects with an Antimicrobial Peptide
(Peer reviewed; Journal article, 2022)Currently, there is a world-wide rise in antibiotic resistance causing burdens to individuals and public healthcare systems. At the same time drug development is lagging behind. Therefore, finding new ways of treating ... -
Hardhetsreduksjon i varmepåvirket sone ved sveisereparasjon på utstyr i drift
(Bachelor thesis, 2020)Denne rapporten tar for seg identifisering og testing av en mulig metode å gjennomføre sveisereparasjoner av korrosjonsskader på utstyr i drift på olje- og gassanlegg. Eksempler på slikt utstyr er rør og tanker. Bakgrunnen ... -
Heat Sources, Thermal Conductivity and Heat Distribution in Electrochemical Energy Storage Technologies
(Doctoral theses at NTNU;2018:408, Doctoral thesis, 2018)The work presented in this thesis is based on taking thermal conductivity measurements of a range of materials used in three different electrochemical energy storage technologies. Specifically, two hydrogen technologies, ... -
Heat to H2: Using Waste Heat for Hydrogen Production through Reverse Electrodialysis
(Journal article; Peer reviewed, 2019)This work presents an integrated hydrogen production system using reverse electrodialysis (RED) and waste heat, termed Heat to H2. The driving potential in RED is a concentration difference over alternating anion and cation ... -
Heat Treatment of Mg-Containing Aluminum Alloys 5182 and 6016 in an Oxidizing Atmosphere with 4% CO2
(Peer reviewed; Journal article, 2022)Oxidation of liquid aluminum (Al) during processing is a widely known problem, and magnesium (Mg), as a common alloying element, increases the oxidation rate of the alloy. It has been established that small additions of ... -
Heat treatment of Ti-6Al-4V: Microstructure and mechanical properties
(Master thesis, 2009)