Browsing Institutt for materialteknologi by Title
Now showing items 2424-2443 of 2563
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Thermodynamics of Boron Removal from Silicon Using CaO-MgO-Al2O3-SiO2 Slags
(Journal article; Peer reviewed, 2018)Slag refining is one of few metallurgical methods for removal of boron from silicon. It is important to know the thermodynamic properties of boron in slags to understand the refining process. The relation of the distribution ... -
Thermoelectric properties of A-site deficient La-doped SrTiO3 at 100–900 °C under reducing conditions
(Journal article; Peer reviewed, 2019)Lanthanum doped strontium titanate is a potential n-type thermoelectric material at moderate and high temperatures. (La0.12Sr0.88)0.95TiO3 ceramics were prepared by two different routes, conventional sintering at 1500 °C ... -
Thermoelectric Properties of A-site Deficient Lanthanum Substituted Strontium Titanate
(Master thesis, 2014)The n-type thermoelectric material (La0.12Sr0.88)0.95TiO3-delta was sintered with the spark plasma sintering method at different temperatures and pressures. This was done to reduce the thermal conductivity of the material ... -
Thermoelectric Properties of Ca3Co2−xMnxO6 (x = 0.05, 0.2, 0.5, 0.75, and 1)
(Journal article; Peer reviewed, 2019)High-temperature instability of the Ca3Co4−yO9+δ and CaMnO3−δ direct p-n junction causing the formation of Ca3Co2−xMnxO6 has motivated the investigation of the thermoelectric performance of this intermediate phase. Here, ... -
Thermoelectric properties of Cu2Se1−xTex solid solutions
(Journal article, 2018)Binary Cu2Se and Cu2Te have gained great attention recently because of their interesting and abnormal physical properties, such as ultralow thermal conductivity, high carrier mobility, large effective mass of carriers and ... -
Thermoelectric properties of non-stoichiometric CaMnO3-d composites formed by redox-activated exsolution.
(Journal article; Peer reviewed, 2019)A novel synthesis route for preparing well-defined composites based on CMO (CaMnO3) has been established taking advantage of the unique phase relations in the system Ca-Mn-O at reducing- and oxidizing atmosphere, respectively. ... -
Thermoelectrochemical Cell with Molten Carbonate Electrolyte
(Journal article, 2017)Industrial processes for production of metals and alloys by metallurgical and electrochemical methods generate a lot of heat due to irreversible losses. The waste heat should be used to generate electricity. Commercial ... -
Thermogravimetric Analysis of Thermal Insulating Materials Exposed to Sodium Vapor
(Journal article; Peer reviewed, 2019)The bottom thermal insulating layer in aluminum electrolysis cells is normally well protected from chemical attacks by a refractory layer. However, autopsies of spent cathode lining have shown that sodium vapor may reach ... -
Thermomechanical processing of an AA6082 - IF steel cold roll bonded composite material
(Master thesis, 2017)The work carried out in this thesis was conducted to investigate thermomechanical aspects of a steel-aluminum cold roll bonded material. The objective was to study different production parameters related to ageing of an ... -
Thickness dependent uniaxial magnetic anisotropy due to step-edges in (1 1 1)-oriented La0.7Sr0.3MnO3 thin films
(Journal article; Peer reviewed, 2019)The magnetic anisotropy of films of La0.7Sr0.3MnO3 grown on vicinal (1 1 1)-oriented SrTiO3 substrates are investigated. For temperatures above the tetragonal – cubic structural phase transition temperature of the substrate, ... -
Thin film nanoporous electrodes for the selective catalysis of oxygen in abiotically catalysed micro glucose fuel cells
(Journal article; Peer reviewed, 2016)Selective reduction of oxygen is an important property of fuel cells designed to operate in a mixed fuel environment containing both oxidizing and reducing reactants. This would be of particular importance in the design ... -
Through thickness variations of deformation texture in round profile extrusions of 6063-type aluminium alloy: experiments, FEM and crystal plasticity modelling
(Journal article; Peer reviewed, 2018)The deformation texture and its through-thickness heterogeneity for an extruded round profile are experimentally measured by the electron back-scatter diffraction technique (EBSD), and numerically modelled by coupling FEM ... -
Through thickness variations of deformation texture in round profile extrusions of 6063-type aluminium alloy: Experiments, FEM and crystal plasticity modelling
(Journal article; Peer reviewed, 2018)The deformation texture and its through-thickness heterogeneity for an extruded round profile are experimentally measured by the electron back-scatter diffraction technique (EBSD), and numerically modelled by coupling FEM ... -
TiB2-C Composite Material during aluminium electrolysis
(Master thesis, 2009) -
Tilsats av mikrokeramiske partikler i aluminiumsstøping
(Master thesis, 2023)Denne oppgaven tar for seg støpeforsøk med en aluminium (Al) 1xxx legering. Det er tilsatt ulike mengder av de mikrokeramiske partiklene titankarbid (TiC) på 4 μm og zirkoniumdiborid (ZrB2) på 3 μm for å undersøke hvordan ... -
Tiltak mot velt og utforkjøring med tunge kjøretøy
(Research report, 2018) -
Time-dependent water uptake in a polymer model coating visualized by FTIR microscopy using a focal plane array detector
(Chapter, 2016)Progress of the delamination front during cathodic delamination was imaged by FTIR microscopy. Delamination experiments were carried out using H2O and D2O-based electrolytes. Inhomogeneous propagation of the delamination ... -
Time-enhanced performance of oxide thermoelectric modules based on a hybrid p-n junction
(Peer reviewed; Journal article, 2021)The present challenge with all-oxide thermoelectric modules is their poor durability at high temperatures caused by the instability of the metal-oxide interfaces at the hot side. This work explains a new module concept ... -
Time-Evolved SERS Signatures of DEP-Trapped Aβ and Zn2+Aβ Peptides Revealed by a Sub-10 nm Electrode Nanogap
(Peer reviewed; Journal article, 2021)Alzheimer’s disease (AD) has become highly relevant in aging societies, yet the fundamental molecular basis for AD is still poorly understood. New tools to study the undergoing structural conformation changes of amyloid ... -
Tin and Tin Alloys for Low Cost Bipolar Plates in PEM Fuel Cells
(Doctoral theses at NTNU;2020:408, Doctoral thesis, 2020)Proton Exchange Membrane (PEM) Fuel Cells are one of the most promising futures for green energy, as they provide a sustainable alternative to combustion engines in vehicles. The bipolar plate (BPP) is a crucial component ...