Blar i Institutt for materialteknologi på tittel
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Current Distribution in Bipolar Cell Systems for the Chlor-alkali Industry
(Master thesis, 2018)The chlor-alkali industry is one of Europe s largest chemical industries and produces chlorine gas, hydrogen gas and sodium hydroxide. One of the main production methods is to use membrane cells that are assembled into a ... -
Cyclic Ageing of Aluminium Alloys
(Master thesis, 2022)Cyclic ageing of alloys, specifically heat-treatable aluminium alloys, is being explored as an alternative technique to strengthen them. Recent research has shown that this technique shows benefit in terms of reducing the ... -
Cyclic cold isostatic pressing and improved particle packing of coarse grained oxide ceramics for refractory applications
(Journal article; Peer reviewed, 2018)This study investigated the cold isostatic pressing of coarse grained alumina refractories applying either a cyclic pressure increase or a cycling at maximum pressure. Additionally the effects of the maximum pressure and ... -
Cyclodextrin inhibits zinc corrosion by destabilizing point defect formation in the oxide layer
(Journal article; Peer reviewed, 2018)Corrosion inhibitors are added in low concentrations to corrosive solutions for reducing the corrosion rate of a metallic material. Their mechanism of action is typically the blocking of free metal surface by adsorption, ... -
Cyclodextrins as carriers for organic corrosion inhibitors in organic coatings
(Journal article; Peer reviewed, 2017) -
C–O–H2 ternary diagram for evaluation of carbon activity in CH4-containing gas mixtures
(Peer reviewed; Journal article, 2021)The C–O–H2 ternary diagram is presented to characterize the carbon activity in equilibrium with gas mixtures containing CH4, CO, CO2, H2O, and H2 at different temperatures and pressures. The three reactions for carbon ... -
Damring formation during rotary kiln chromite pre-reduction: Effects of pulverized carbonaceous fuel selection and partial pellet melting
(Journal article; Peer reviewed, 2018)Electricity consumption is the largest cost contributing factor in the production of ferrochrome. Currently the pelletized chromite pre-reduction process (solid-state reduction of chromite) is the process option with the ... -
De-Icing Coatings Based on Solar Illumination
(Master thesis, 2023)Avising av overflater er viktig for ulike strukturer i kaldt klima, som veier, høyspentlinjer, vindmøller eller i luftfartsindustrien. Målet med dette arbeidet er å undersøke fabrikasjonsprosessen og karakterisere fire ... -
De-icing coatings based on solar illumination Preparation and characterization
(Master thesis, 2022)Målet med dette prosjektet har bestått av å lage og karakterisere et overflatebelegg som kan utnytte energien i solstråler til avising av vindmøller og andre installasjoner utsatt for isakkumulering. Belegget består av tre ... -
De-icing coatings based on solar illumination Preparation and characterisation
(Master thesis, 2020)Dette prosjektet har hatt som mål å lage og karakterisere et overflatebelegg som utnytter energien i solstråler til avising av flyvinger, vindmøller og andre installasjoner som er utsatt for isakkumulering. Belegget består ... -
Decrepitation of Comilog, Assmang and UMK manganese ores during prereduction
(Master thesis, 2020)Produksjon av manganlegeringer er en industri som forbruker mye elektrisk energi og karbonmaterialer. Prereduksjon av manganmalm er ønsket for å senke forbruket av elektrisk energi og karbonmaterialer. For at dette skal ... -
Deep hydration of an Li7-3xLa3Zr2MIIIxO12solid-state electrolyte material: A case study on Al- and Ga-stabilized LLZO
(Peer reviewed; Journal article, 2022)Single crystals of an Li-stuffed, Al- and Ga-stabilized garnet-type solid-state electrolyte material, Li7La3Zr2O12 (LLZO), have been analysed using single-crystal X-ray diffraction to determine the pristine structural state ... -
Defect chemistry and ferroelectric domain walls in hexagonal manganites
(Doctoral theses at NTNU;2018:263, Doctoral thesis, 2018)The hexagonal manganites h-RMnO3 (R=Y, In, Sc, Ho-Lu) have been studied the last two decades for their exotic and diverse functional properties. Their large chemical flexibility makes this material class an ideal chemical ... -
Defect Chemistry as a Crystal Structure Design Parameter: Intrinsic Point Defects and Ga Substitution in InMnO3
(Journal article, 2017)The effect of defect chemistry on the polar and nonpolar phases of hexagonal InMnO3 is investigated using first-principles density functional calculations. Our motivation is to show how point defects and substitutional ... -
Defect Engineering in Plasmonic Metal Oxide Nanocrystals
(Journal article; Peer reviewed, 2016)Defects may tend to make crystals interesting but they do not always improve performance. In doped metal oxide nanocrystals with localized surface plasmon resonance (LSPR), aliovalent dopants and oxygen vacancies act as ... -
Defect related radiative recombination in mono-like crystalline silicon wafers
(Journal article, 2017)We report on studies of sub-bandgap defect related photoluminescence (DRL) signals originating from radiative recombination through traps in the bandgap of cooled mono-like silicon wafers. Spectrally resolved photoluminescence ... -
Defect-Enhanced Polarization Switching in the Improper Ferroelectric LuFeO3
(Peer reviewed; Journal article, 2020)Results of switching behavior of the improper ferroelectric LuFeO3 are presented. Using a model set of films prepared under controlled chemical and growth‐rate conditions, it is shown that defects can reduce the quasi‐static ... -
Defect-impurity interactions in high performance multicrystalline silicon
(Doctoral theses at NTNU;2018:339, Doctoral thesis, 2018)Defect-impurity interactions in high performance multicrystalline silicon The global average and combined land and ocean surface temperature is steadily rising for the last several decades. About 97% of climate scientists ... -
Defects in multicrystalline Si wafers studied by spectral photoluminescence imaging, combined with EBSD and dislocation mapping
(Journal article; Peer reviewed, 2016)Defect related sub-band gap luminescence emissions due to Shockley-Read-Hall recombination in mc-Si wafers have been investigated with spectral photoluminescence imaging, combined with electron backscatter diffraction and ... -
Deflecting Dendrites by Introducing Compressive Stress in Li7La3Zr2O12 Using Ion Implantation
(Peer reviewed; Journal article, 2023)Lithium dendrites belong to the key challenges of solid-state battery research. They are unavoidable due to the imperfect nature of surfaces containing defects of a critical size that can be filled by lithium until fracturing ...