Blar i Institutt for materialteknologi på tittel
Viser treff 2093-2112 av 2549
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Spark Plasma Sintering of Silicon Carbide and the Effect of α-SiC and β-SiC on Sintering Properties
(Master thesis, 2022)Silisiumkarbid (SiC) er kjent for sine utmerkede termiske og mekaniske egenskaper, noe som gjør det nyttig innen mange bruksområder. Egenskaper som høy hardhet og styrke ved høy temperatur skyldes de sterke kovalente ... -
Spatial methods for characterising carbon anodes for aluminium production
(Journal article, 2015)Pilot test anodes were designed by Hydro Aluminium for laboratory studies using controlled blends of <2 mm aggregate from two single source cokes. Spa- tial and imaging methods were used to characterise anode surfaces with ... -
Spatially Confined Spin Polarization and magnetic sublattice control in (La,Sr)MnO3−δ Thin Films by Oxygen Vacancy Ordering
(Journal article; Peer reviewed, 2017)Perovskite oxides are known for their strong structure property coupling and functional properties such as ferromagntism, ferroelectricity and high temperature superconductivity. While the effect of ordered cation vacancies ... -
Special nanostructures in Al-Mg alloys subjected to high pressure torsion
(Journal article; Peer reviewed, 2010)Deformation twins and stacking faults were observed in nanostructure Al-Mg alloys subjected to high pressure torsion. These observations are surprising because deformation twinnings have never been observed in their ... -
Special quasirandom structures description of the local structure of disordered Bi0.5K0.5TiO3
(Peer reviewed; Journal article, 2022)Polar nanoregions (PNRs) are believed to play a decisive role in the local and macroscopic polarization in relaxor ferroelectrics. The limited microscopic understanding of the structure and dynamics of PNRs hampers the ... -
Spectroscopic study of partially oxidized BN nanoscrolls induced by low frequency ultrasonic irradiation.
(Peer reviewed; Journal article, 2020)In comparison to carbon nanostructures, hexagonal boron nitride (hBN) nanostructures show better biocompatibility and lower cytotoxicity. However, research studies on hBN nanostructures for biomedical applications are still ... -
Spectroscopic study of partially oxidized BN nanoscrolls induced by low frequency ultrasonic radiation
(Journal article; Peer reviewed, 2020)In comparison to carbon nanostructures, hexagonal boron nitride (hBN) nanostructures show better biocompatibility and lower cytotoxicity. However, research studies on hBN nanostructures for biomedical applications are still ... -
Spin and vorticity with vanishing rigid-body rotation during shear in continuum mechanics
(Journal article; Peer reviewed, 2020)A long-standing challenge in continuum mechanics has been how to separate shear deformation and corresponding shape changes from the rotation of a continuum. This can be obtained by a new decomposition of the spin tensor, ... -
Spinel oxide protective coatings for solid oxide fuel cell interconnects
(Master thesis, 2013)Metallic interconnects in solid oxide fuel cells are dependent on protective coatings to ensure adequate application lifetime. Of the many coatings investigated, spinel composition coatings display the most promising ... -
Sponge-like porous manganese(II,III) oxide as a highly efficient cathode material for rechargeable magnesium ion batteries
(Journal article; Peer reviewed, 2016)Here, we are the first to report a spinel type Mn3O4 as cathode material for Mg-ion battery (MIB) with graphite foil (Gif) as current collector. High Coulombic efficiency and good cyclic stability of Mn3O4 are demonstrated, ... -
Spray Pyrolysis of Thermal Barrier Coatings
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:142, Doctoral thesis, 2012)Thermal barrier coatings are multilayer systems developed to increase the operating temperature and lifetime of modern gas-turbine engines by thermally insulating the underlying superalloy components. Thick oxide thermal ... -
Spraypyrolyse av keramiske oksidmaterialer
(Master thesis, 2013)Denne oppgaven er et studium av effekten av prosessparametere og kjemiske parametere i produksjon av keramiske oksider ved spraypyrolyse. Undersøkelsene har blitt utført ved fremstilling av europiumdopet og ikke-dopet ... -
SRS-based Timepix3 readout system
(Peer reviewed; Journal article, 2022)With the combination of the highly granular pixel ASIC Timepix3 by the Medipix3 collaboration and several technologies we are developing a range of detectors. These technologies are bump bonded sensors, microchannel plates ... -
Stabilisering av arkeologisk jern gjennom utvasking av salter: Effekten av pH, temperatur og bytte av bad på konserveringsmetoden
(Bachelor thesis, 2021)Arkeologiske gjenstander er en stor kilde til informasjon om fortiden. Konservering av arkeologisk jern er viktig for å bevare kulturhistoriske minner og for å lære mer om gjenstandenes formål, bakgrunn og utvinning. ... -
Stability and cation diffusion in BaZrO3-based proton conducting solid state electrolytes
(Doctoral theses at NTNU;2017:288, Doctoral thesis, 2017)Fuel cells stands as an attractive technology to efficiently convert chemical energy (fuels) to electricity. Protonic ceramic fuel cells have gained considerable interest in recent years due to higher fuel utilization at ... -
Stability and cell viability studies of silicon nanoparticles for drug delivery applications
(Master thesis, 2020)Denne studien har som mål å undersøke potensialet til porøse og ikke-porøse silisium nanopartikler (Si NPs), laget ved en ny syntesemetode, som medisinbærere med fokus på stabilitet og biokompatibilitet. Denne typen ... -
Stability and compatibility of fuel cells based on proton conducting materials
(Master thesis, 2011)Stability and compatibility of the proton conducting electrolyte material La6WO12 with the potential cathode materials LaCoO3 and La2NiO4 were investigated by means of solid-solid diffusion couples. Reactivity studies were ... -
Stability and oxygen transport properties of B-site substituted Lanthanum stronitum [sic.] ferrite
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:310, Doctoral thesis, 2013) -
Stability of carbon nanofibre-supported platinum catalysts in the presence of chloride under controlled mass-transfer conditions
(Journal article, 2014)The effect of chloride on the stability of platinum electrocatalysts was studied by rotating disk measurements in sulfuric acid electrolyte with a continuously increasing concentration of chloride anions. The activity ... -
Stability of Conductive Carbon Additives for High-voltage Li-ion Battery Cathodes
(Master thesis, 2014)Conductive carbon additives are important constituents of the current state-of-the-art Li-ion battery cathodes, as the traditional active cathode materials are characterized by too low electronic conductivities. In ...