Blar i Institutt for materialteknologi på tittel
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Thermal evolution of the crystal structure and phase transitions of KNbO3
(Journal article; Peer reviewed, 2018)The thermal evolution of the crystal structure and phase transitions of KNbO3 were investigated by high-temperature powder X-ray diffraction and Rietveld refinement of the diffraction data. Two phase transitions from ... -
Thermal evolution of the crystal structure of proton conducting BaCe0.8Y0.2O3-δ from high-resolution neutron diffraction in dry and humid atmosphere
(Peer reviewed; Journal article, 2015)The crystal structure of the proton conducting perovskite BaCe0.8Y0.2O3−δ (BCY20) has been studied via high-resolution in situ neutron diffraction performed in controlled dry and humid (heavy water) oxygen flow. Two phase ... -
Thermal expansion and electrical conductivity of Fe and Cu doped MnCo2O4 spinel
(Journal article; Peer reviewed, 2018)Manganese cobalt spinel oxides are promising coating materials for corrosion protection of metallic interconnects in solid oxide fuel cell stacks. This work investigates how Fe and Cu doping affect the crystal structure, ... -
Thermal expansion of SrxBa1−xNb2O6 across and above the ferroelectric phase transition
(Peer reviewed; Journal article, 2024)Lead-free SrxBa1−xNb2O6(SBN) is of interest due to flexible chemistry, ferroelectric behavior, and electro-optic properties. The thermal expansion coefficient for SBN is reported only for compositions x = 0.35–0.59 and ... -
Thermal Forge Welding Simulations: A Weldability Study of X65 Pipeline Quality
(Master thesis, 2011)Shield active gas forge welding is a time-efficient welding technique for solid statewelding of pipelines. Pipes are first heated by induction or ohmic resistance, and areforged together using an active shielding gas to ... -
Thermal Gradients with Sintered Solid State Electrolytes in Lithium-Ion Batteries
(Journal article; Peer reviewed, 2020)The electrolyte is one of the three essential constituents of a Lithium-Ion battery (LiB) inaddition to the anode and cathode. During increasingly high power and high current charging anddischarging, the requirement for ... -
Thermal Insulation Materials in Aluminum Electrolysis Cells
(Doctoral theses at NTNU;2020:112, Doctoral thesis, 2020)Aluminum is produced by an energy intensive process known as the Hall-Héroult process, which has been developed extensively since it was first invented in 1886. Recent trends in the aluminum industry has been to strive for ... -
Thermal Stability and Electrochemical Performance of Graphite Anodes in Li-ion Batteries
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:101, Doctoral thesis, 2014) -
Thermally Sprayed Aluminum (TSA) with Cathodic Protection as Corrosion Protection for Steel in Natural Seawater: Characterization of Properties on TSA and Calcareous Deposit
(Master thesis, 2011)Cathodic protection is an effective corrosion protection for structures submerged in seawater. In addition to applying the current need to lower the metal below the protection potential, a resulting increase in interfacial ... -
Thermo-osmotic pressure and resistance to mass transport in a vapor-gap membrane
(Peer reviewed; Journal article, 2021)We have investigated the transport of fluid through a vapor-gap membrane. The transport due to a membrane temperature difference was investigated under isobaric as well as non-isobaric conditions. Such a concept is relevant ... -
Thermochemical Aspects of Boron and Phosphorus Distribution Between Silicon and BaO-SiO2 and CaO-BaO-SiO2 slags
(Journal article; Peer reviewed, 2018)In the production of solar grade silicon by metallurgical route the distribution of B and P between slags and liquid silicon is the most important key issue. The equilibrium and thermochemistry of reactions between liquid ... -
Thermodynamic analysis of different methanation reactors for biogas upgrading
(Peer reviewed; Journal article, 2020)Biomethane production from biogas can be increased by methanation of carbon dioxide with hydrogen through the Sabatier reaction. In this work, the performance of the methanation process is investigated under isothermal and ... -
Thermodynamic and Kinetic Behavior of B and Na Through the Contact of B-Doped Silicon with Na2O-SiO2 Slags
(Journal article; Peer reviewed, 2013)Boron (B) is the most problematic impurity to be removed in the processes applied for the production of solar grade silicon. Boron removal from liquid silicon by sodium-silicate slags is experimentally studied and it is ... -
A Thermodynamic Assessment of the Chemical Durability of Refractory Lining in Anode Baking Furnaces
(Journal article, 2016) -
Thermodynamic assessment of the Mo-S system and its application in thermal decomposition of MoS2
(Journal article, 2018)The Mo-S system is crucial to extractive metallurgy, tribology, and various possible applications in design and fabrication of novel two-dimensional (2D) materials. First-principles calculations were utilized to compute ... -
Thermodynamic Behavior and Mass Transfer Kinetics of Boron Between Ferrosilicon and CaO-SiO2 Slag
(Journal article; Peer reviewed, 2017)Equilibrium distribution and transport kinetics of boron between ferrosilicon and calcium silicate slag were investigated through experimental study. A 50 pct CaO-50 pct SiO2 slag (by weight) was held for different durations ... -
Thermodynamic Insight in Design of Methanation Reactor with Water Removal Considering Nexus between CO2 Conversion and Irreversibilities
(Journal article; Peer reviewed, 2021)The inevitable nexus between energy use and CO2 emission necessitates the development of sustainable energy systems. The conversion of CO2 to CH4 using green H2 in power-to-gas applications in such energy systems has ... -
Thermodynamic Study of B and P Distribution in Slag Refining Treatment
(Master thesis, 2019) -
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 ...