Browsing Institutt for materialteknologi by Title
Now showing items 499-518 of 2563
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Design and manufacture of Portland cement Application of statistical analysis
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:196, Doctoral thesis, 2011)The purpose of the work is to enable design and manufacture of cement with emphasis on the quality and the properties of cement. Data used in the design and manufacture were collected from predictions of properties and ... -
Design of multi-luminescent silica-based nanoparticles for the detection of liquid organic compounds
(Journal article; Peer reviewed, 2024)Tracer testing in reservoir formations is utilised to determine residual oil saturation as part of optimum hydrocarbon production. Here, we present a novel detection method of liquid organic compounds by monodisperse SiO2 ... -
Design og fabrikasjon av undervannsstrukturer - Sveisegeometri og inspeksjonskategori - påvirkning på fabrikasjonskostnader
(Bachelor thesis, 2019)Denne bacheloren omhandler design og fabrikasjon av subsea-strukturer. Det vil bli fokusert på mulighetene for å redusere produksjonskostnader på hovedståletet til en manifold. For å oppnå dette blir det sett på mulighetene ... -
Detailed investigation of the shearing mechanism of β" precipitates in Al-Mg-Si alloys
(Peer reviewed; Journal article, 2020)The mechanism behind shearing of β'' precipitates in Al-Mg-Si alloys during deformation is investigated by applying advanced transmission electron microscopy (TEM) techniques and frozen phonon multislice TEM image simulations ... -
Detection of intra-band gap defects states in spin-coated sol-gel SnOx nanolayers by photoelectron spectroscopies
(Journal article; Peer reviewed, 2018)The presence of occupied intra-band gap states in oxygen-deficient tin dioxide (SnO x ; 1 < x < 2) is crucial for efficient manufacturing of multipurpose electronic devices based on transparent conducting oxides. Former ... -
Detection of Topological Spin Textures via Nonlinear Magnetic Responses
(Peer reviewed; Journal article, 2021)Topologically nontrivial spin textures, such as skyrmions and dislocations, display emergent electrodynamics and can be moved by spin currents over macroscopic distances. These unique properties and their nanoscale size ... -
Detection of Topological Spin Textures via Nonlinear Magnetic Responses
(Peer reviewed; Journal article, 2022)Topologically nontrivial spin textures, such as skyrmions and dislocations, display emergent electrodynamics and can be moved by spin currents over macroscopic distances. These unique properties and their nanoscale size ... -
Deteksjon og forebygging av fuktinntregning og lekkasjer i nedgravde fjernvarmerør
(Bachelor thesis, 2022)Hensikten med denne oppgaven er å se på forbedringer av sammenføyning og kvalitetskontroll av rørskjøter, samt alternative teknologier for deteksjon av fukt og lekkasjer, med mål å redusere vedlikeholdskostnader, energitap ... -
Determination of Oxygen Transport Coefficients in Perovskites and Perovskite related Materials with mixed Conductivity
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:191, Doctoral thesis, 2005)Perovskites and perovskite related materials are materials that are candidates for applications such as oxygen permeable membranes, cathodes for SOFC and high-temperature oxygen sensors. This arises from the potential high ... -
Determining fundamental properties from diffraction: Electric field induced strain and piezoelectric coefficient
(Peer reviewed; Journal article, 2019)Neutron powder diffraction was used in operando to determine the macroscopic strain and piezoelectric coefficient as a function of applied electric field in a technically relevant actuator material. We were able to ... -
Developing a Dual-Ion Solid State Battery
(Master thesis, 2024)For å oppnå energitetthetene som trengs for at elbiler skal overgå standard kjøretøy og redusere vår avhengighet av fossilt brensel, må litium-faststoffbatterier og deres potensiale for høyere energitettheter utvikles i ... -
Developing ductile and isotropic Ti alloy with tailored composition for laser powder bed fusion
(Peer reviewed; Journal article, 2022)Laser powder bed fusion (LPBF) is an advanced technology to create metallic components with complex geometry. Ti-6Al-4V (Ti64) is one of the most frequently used materials for LPBF. The intrinsic high cooling rates and ... -
Developing high-energy cathodes for Li-ion batteries based on Ni-rich layered oxides
(Doctoral theses at NTNU;2023:443, Doctoral thesis, 2023)Energy storage in rechargeable batteries is essential for implementing more renewable energy into the global energy mix. Batteries can, for instance, be connected to solar or wind energy systems to handle the intermittency ... -
Development and ceramic processing of all-oxide thermoelectric module with direct p-n junction
(Doctoral theses at NTNU;2018:91, Doctoral thesis, 2018) -
Development and Characterization of Surface Passivation Materials on Silicon Wafers for Solar Cells
(Doctoral theses at NTNU;2017:53, Doctoral thesis, 2017)A main challenge for high efficiency crystalline silicon solar cells is to reduce the current and voltage loss from the surface recombination process. An effective surface passivation system is needed to obtain high ... -
Development and characterizationof high solid solution Al-Mg alloysand an immiscible Al-Bi alloyprocessed by ECAP and annealing
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:149, Doctoral thesis, 2014)The thesis is based on five papers, covering two topics: papers 1-4 mainly focus on the development and characterization of high solid solution Al-Mg alloys by room temperature ECAP and annealing, their microstructure ... -
Development and implementation of new laboratory tasks in general chemistry
(Master thesis, 2023)Denne studien undersøker Oppgave 6 - Titlering av sterke og svake syrer i de generelle kjemikursene TMT4110 og TMT4115 ved NTNU. Hovedmålet er å forbedre studentenes læring og opplevelse. Undersøkelsen involverte analyse ... -
Development of a Gas Analysis Method for Silane Gas
(Master thesis, 2022)Målet med dette prosjektet har vært å utvikle en metode for væskeanalyse av gassproduktene produsert gjennom den kjemiske reaksjonen mellom Mg2Si og HCl. Et originalt reaksjonsoppsett som utnytter reaktiviteten mellom ... -
Development of a method to determine oxygen distribution in industrial monocrystalline silicon ingots
(Master thesis, 2016)An alternative method to determine oxygen concentration in industrial monocrystalline silicon has been developed and tested, resorting to statistical analysis and modeling. The model has been applied to different set ... -
Development of a mixed-conducting layered oxide for asymmetric oxygen permeable membranes
(Master thesis, 2018)Over 100 million tons of pure oxygen gas are produced each year, making it one of the most used chemicals worldwide. As the conventional production process, cryogenic distillation, is very energy demanding, a new, cheaper ...