Blar i Institutt for materialteknologi på dokumenttype "Journal article"
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Application of an Equiaxed Grain Growth and Transport Model to Study Macrosegregation in a DC Casting Experiment
(Peer reviewed; Journal article, 2019)A simplified three-phase, multiscale macrosegregation model which describes the growth kinetics of equiaxed grains and the coupling between microstructure morphology and the macroscopic transport has been proposed previously. ... -
Application of EBSD technique to ultrafine grained and nanostructured materials processed by severe plastic deformation: Sample preparation, parameters optimization and analysis
(Journal article; Peer reviewed, 2012)With the help of FESEM, high resolution electron backscatter diffraction can investigate the grains/subgrains as small as a few tens of nanometers with a good angular resolution (∼0.5°). Fast development of EBSD speed (up ... -
Aqueous tape casting and mechanical properties of La2NiO4 dense membranes
(Journal article; Peer reviewed, 2015)An environmentally friendly aqueous tape casting process for the fabrication of La2NiO4+δ membranes was developed using fine powders synthesized by spray pyrolysis. Green tapes with a thickness of 30–300 μm were obtained ... -
Are MXenes Suitable as Cathode Material for Rechargeable Mg Batteries?
(Peer reviewed; Journal article, 2020)MXenes, a type of two-dimensional transition metal carbide/nitride, have received significant attention for electrochemical storage applications. With substantial capacities predicted for Mg ions, MXenes have been considered ... -
As, Sb, and Fe removal from industrial copper electrolyte by solvent displacement crystallization technique
(Journal article; Peer reviewed, 2018)The presence of impurities in the copper electrolyte increases the energy consumption of an electrorefining process and contaminates the deposited copper on cathode. The concentration of impurities increases over time ... -
Assessment of advanced Taylor models, the Taylor factor and yield-surface exponent for FCC metals
(Journal article; Peer reviewed, 2019)High-resolution crystal plasticity-finite element method (CPFEM) simulations are performed to provide new reference values of the Taylor factor M and the isotropic yield surface exponent for high stacking fault energy ... -
Assessment of the Thermodynamic Stability of Thermal Insulating Materials in Aluminium Electrolysis Cells
(Journal article, 2016)The cathode bottom lining in aluminium electrolysis cells serves as a thermal insulating barrier and is important for the overall thermal and dimensional stability of the cell. The thermal insulation layer ... -
Asymmetric supported dense lanthanum tungstate membranes
(Journal article; Peer reviewed, 2014)In this work, a colloidal processing route for dense asymmetric La28-xW4+xO54+3x/2 membranes for hydrogen gas separation applications was established. Dip coating process conditions were optimized to obtain ≈20 m thick ... -
Atmosphere controlled conductivity and Maxwell-Wagner relaxation in Bi0.5K0.5TiO3 – BiFeO3 ceramics
(Journal article; Peer reviewed, 2014)Here, we report on a giant dielectric relaxation in (1 x)Bi0.5K0.5TiO3—xBiFeO3 ceramics below 300 C, which becomes more pronounced with increasing BiFeO3 content. The relaxation was shown to be of Maxwell-Wagner type ... -
Atomic Layer Deposition of Titanium Oxide-Based Films for Semiconductor Applications—Effects of Precursor and Operating Conditions
(Journal article, 2023)Two widely used atomic layer deposition precursors, Tetrakis (dimethylamido) titanium (TDMA-Ti) and titanium tetrachloride (TiCl4), were investigated for use in the deposition of TiOx-based thin films as a passivating ... -
Atomic level bonding mechanism in steel/aluminum joints produced by cold pressure welding
(Journal article, 2019)Cold pressure welding of aluminum alloys and steels offers an attractive, cost-effective opportunity of joining the two most important structural materials. Aim of this work is to investigate the bonding mechanism between ... -
Atomic Structure of Hardening Precipitates in Al-Mg-Si Alloys: Influence of Minor Additions of Cu and Zn
(Peer reviewed; Journal article, 2023)Shifting toward sustainability and low carbon emission necessitates recycling. Aluminum alloys can be recycled from postconsumer scrap with approximately 5% of the energy needed to produce the same amount of primary alloys. ... -
Atomic structures of precipitates in Al–Mg–Si alloys with small additions of other elements
(Journal article; Peer reviewed, 2018)In Al–Mg–Si alloys, additions of only a few weight percent of Mg and Si enable formation of hardening precipitates during heat treatment. The precipitation is complex and is influenced by chemical compositions and ... -
Atomic-scale 3D imaging of individual dopant atoms in an oxide semiconductor
(Peer reviewed; Journal article, 2022)The physical properties of semiconductors are controlled by chemical doping. In oxide semiconductors, small variations in the density of dopant atoms can completely change the local electric and magnetic responses caused ... -
Atomistic approach to simulate kink migration and kink-pair formation in silicon: The kinetic activation-relaxation technique
(Journal article; Peer reviewed, 2019)The energy conversion efficiency of solar cells based on multicrystalline silicon is greatly deteriorated by dislocations. However, an in-depth understanding on the dislocation motion dynamics down to atomic scale is still ... -
Atomistic details of precipitates in lean Al–Mg–Si alloys with trace additions of Ag and Ge studied by HAADF-STEM and DFT
(Journal article, 2017)Bonding energies and volume misfits for alloying elements and vacancies in multicomponent Al–Mg–Si alloys have been calculated using density functional theory (DFT). A detailed atomic scale analysis has been done for ... -
Automated Metal Cleanliness Analyzer (AMCA) – An Alternative Assessment of Metal Cleanliness in Aluminum Melts
(Peer reviewed; Journal article, 2021)The established industry standards for assessing the cleanliness of aluminum melts are PoDFA (Porous Disc Filtration Apparatus) and LiMCA (Liquid Metal Cleanliness Analyzer) analyses. PoDFA provides the necessary qualitative ... -
Autopsy of refractory lining in anode kilns with open and closed design
(Journal article, 2018)Aluminosilicate refractory lining constitutes a major part of anode baking kilns, and during anode baking the lining is exposed to harsh conditions which limits the lifetime. Here, autopsies of refractory linings from both ... -
Avaliação experimental e simulação computacional da dissolução de partículas de cloreto de sódio em salmoura em escoamento
(Journal article; Peer reviewed, 2014)A mathematical model to predict the dissolution of salt particles suspended in a brine flow is provided. The model consists of a system of three partial differential equations (PDE) based on mass conservation of salt ... -
Azobenzene-based self-assembled monolayer modified gold electrodes: Thioacetate suppresses, thiole enhances perchlorate adsorption
(Journal article; Peer reviewed, 2022)