Institutt for materialteknologi
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LCA of recycling aluminium incineration bottom ash, dross and shavings in a rotary furnace and environmental benefits of salt-slag valorisation
(Peer reviewed; Journal article, 2024)Recycling aluminium in a rotary furnace with salt-fluxes allows recovering valuable alloys from hard-to-recycle waste/side-streams such as packaging, dross and incinerator bottom ash. However, this recycling route generates ... -
Use of H2 in Mn-Ferroalloy Production
(Chapter, 2023)The use of H2 as a reductant in the iron and steel industry is an obvious choice towards carbon neutrality. For pyrometallurgical processes like Mn and Si, H2 cannot be the only solution, as the stability of the oxides of ... -
The effect of cation size on structure and properties of Ba-based tetragonal tungsten bronzes Ba4M2Nb10O30 (M = Na, K or Rb) and Ba4M2Nb8Ti2O30 (M = Ca or Sr)†
(Peer reviewed; Journal article, 2024)The second largest family of oxide ferroelectrics, after perovskites, are the tetragonal tungsten bronzes (TTB) with the general formula A24A12C4B12B28O30. Cation disorder in TTBs is known to occur if the size difference ... -
High-Temperature Reactive Wetting of Natural Quartz by Liquid Magnesium
(Journal article; Peer reviewed, 2024)High-temperature wetting of natural, high-purity quartz (SiO2) and liquid magnesium (Mg) was investigated at temperatures between 973 and 1273 K. Sessile drop experiments using the capillary purification (CP) procedure ... -
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 ... -
Improved Synthetic Methodology, Substrate Scope and X-ray Crystal Structure for N, N’-disubstituted Guanidines
(Peer reviewed; Journal article, 2024)Guanidine is a privileged scaffold in drug discovery. Herein we report our investigations into the acid promoted amination of pyrimidine-bearing cyanamide to produce N, N’-disubstituted guanidines. Hydrochloric acid was ... -
Intermetallic Phase Layers in Cold Metal Transfer Aluminium-Steel Welds with an Al–Si–Mn Filler Alloy
(Peer reviewed; Journal article, 2023) -
PyEBSDIndex: Indexing Electron Backscattered Diffraction Patterns on the GPU
(Peer reviewed; Journal article, 2023) -
Flexible Transparent Electrodes Formed from Template-Patterned Thin-Film Silver
(Peer reviewed; Journal article, 2023)Template-patterned, flexible transparent electrodes (TEs) formed from an ultrathin silver film on top of a commercial optical adhesive – Norland Optical Adhesive 63 (NOA63) – are reported. NOA63 is shown to be an effective ... -
Electronic Property Engineering in a Ferroelectric Oxide: Nanostructuring and Advanced Characterization.
(Doctoral theses at NTNU;2024:102, Doctoral thesis, 2024)The advancement of electronic nanotechnology hinges on the use of innovative materials and new conceptual approaches for devices to meet the demand of miniaturization, energy efficiency, and sustainability. Ferroelectric ... -
Understanding the inoculation of aluminium grains during welding under the influences of high cooling rate and high temperature gradient
(Peer reviewed; Journal article, 2023)Inoculation is an important method to generate fine equiaxed grain structures in alloys during solidification, which is widely used in shape casting and direct chill casting processes of aluminium alloys. Different from ... -
Transformation of Iron (III) Nitrate from an Aerosol by Ultrasonic Spray Pyrolysis and Hydrogen Reduction
(Journal article; Peer reviewed, 2023)Due to their unique properties, iron nanoparticles find diverse applications across various fields, including catalysis, electronics, wastewater treatment, and energy storage. Nano-iron particles are mostly sub-micrometer ... -
Synthetic Strategies Towards 4,6-Disubstituted Pyrrolopyrimidines and Evaluation of their Potential as Colony Stimulating Factor 1 Receptor Kinase Inhibitors
(Doctoral theses at NTNU;2024:60, Doctoral thesis, 2024)Due to their central role in regulating vital cellular processes, protein kinases are increasingly attractive targets in modern drug development. Small molecule drugs have become valuable tools for selectively modulating ... -
An ultra-low field SQUID magnetometer for measuring antiferromagnetic and weakly remanent magnetic materials at low temperatures
(Journal article, 2023)A novel setup for measuring magnetic fields of antiferromagnets (i.e., quadrupolar or higher-order magnetic fields) and generally weakly remanent magnetic materials is presented. The setup features a highly sensitive ... -
Pressure Control of Nonferroelastic Ferroelectric Domains in ErMnO<inf>3</inf>
(Journal article; Peer reviewed, 2023)Mechanical pressure controls the structural, electric, and magnetic order in solid-state systems, allowing tailoring of their physical properties. A well-established example is ferroelastic ferroelectrics, where the coupling ... -
Moiré fringes in conductive atomic force microscopy
(Journal article; Peer reviewed, 2023)Moiré physics plays an important role in characterization of functional materials and engineering of physical properties in general, ranging from strain-driven transport phenomena to superconductivity. Here, we report on ... -
Effect of scandium on grain refinement mechanism and mechanical properties of Al–7Si–0.6 Mg alloy at different cooling rates
(Peer reviewed; Journal article, 2023)The effects of scandium (Sc) additions on the solidification microstructure and mechanical properties of Al–7Si–0.6Mg-0.25Ti alloy at different cooling rates have been systematically studied by thermal analysis and detailed ... -
Effect of Microstructure on the Precipitation of β-Mg2Si during Cooling after Homogenisation of Al-Mg-Si Alloys
(Peer reviewed; Journal article, 2024)For Al-Mg-Si alloys, cooling after homogenisation is a crucial step because the precipitation of the equilibrium β-Mg2Si phase determines the processing capabilities in subsequent steps, as well as the subsequent precipitation ... -
Effect of the Ion, Solvent, and Thermal Interaction Coefficients on Battery Voltage
(Peer reviewed; Journal article, 2024)In order to increase the adoption of batteries for sustainable transport and energy storage, improved charging and discharging capabilities of lithium-ion batteries are necessary. To achieve this, accurate data that describe ... -
A computational study on efficient yield surface calibrations using a crystal plasticity spectral solver
(Journal article, 2023)A computational framework is presented, capable of calculating virtual loads using the spectral solver in the DAMASK software for crystal plasticity simulations in desired stress directions. Calculations are used for the ...