Browsing Institutt for materialteknologi by Title
Now showing items 2393-2412 of 2504
-
Towards 3D Modelling of Macrosegregation Formation and Modification in DC Casting of Aluminium Alloys Accounting for Equiaxed Grain Growth and Transport
(Doctoral theses at NTNU;2019:34, Doctoral thesis, 2019)Macrosegregation refers to the inhomogeneous distribution of solute elements at the scale of cast product. It is a severe defect affecting the quality of cast product produced through Direct Chill (DC) casting process. ... -
Towards a coupled multi-scale, multi-physics simulation framework for aluminium electrolysis
(Journal article, 2017)Aluminium metal production through electrolytic reduction of alumina in a cryolite bath is a complex, multi-physics, multi-scale process, including magneto-hydrodynamics (MHD), bubble flow, thermal convection, melting and ... -
Towards high-throughput microstructure simulation in compositionally complex alloys via machine learning
(Peer reviewed; Journal article, 2021)The coupling of computational thermodynamics and kinetics has been the central research theme in Integrated Computational Material Engineering (ICME). Two major bottlenecks in implementing this coupling and performing ... -
Towards the Understanding of the pH Dependency of the Chloride Binding of Portland Cement Pastes
(Journal article; Peer reviewed, 2018)Hydrated Portland cement paste exposed to a NaCl solution was acidified by adding HCl in small steps, gradually lowering the pH. The chloride binding of the cement paste changed as a function of the pH. For the range of ... -
Trace Elements in Al-Si Foundry Alloys
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:360, Doctoral thesis, 2013)Aluminium alloys based on the aluminium-silicon system are widely used for automotive and aerospace applications as this industry seeks competitive light materials to replace e.g. cast iron and steel. Al-Si alloys have low ... -
Tracer diffusion of 96Zr and 134Ba in polycrystalline BaZrO3
(Journal article; Peer reviewed, 2017)Cation tracer diffusion in polycrystalline cubic BaZrO3 perovskites was studied using the stable isotopes 134Ba and 96Zr in air at 1015–1200 and 1300–1500 °C, respectively. Thin films of 134BaO and 96ZrO2 were deposited ... -
Transformation Kinetics of Burnt Lime in Freshwater and Sea Water
(Peer reviewed; Journal article, 2020)Calcium oxide (CaO), also known as burnt lime, is being considered as a possible treatment to reduce the negative impact of sea urchins on tare forests in northern coastal waters and blue-green algal blooms in the surrounding ... -
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 ... -
Transient liquid phase bonding of Al-6063 to steel alloy UNS S32304
(Journal article; Peer reviewed, 2018)Transient liquid phase (TLP) bonding of 6063 aluminum alloy (Al-6063) and duplex alloy 2304 stainless steel (UNS S32304) was performed using copper foil as an interlayer between the base metals. A compression load was ... -
Transition Metal-Carbon Bond Enthalpies as Descriptor for the Electrochemical Stability of Transition Metal Carbides in Electrocatalytic Applications
(Journal article; Peer reviewed, 2020)Transition metal carbides are used for various applications such as hard coating, heterogeneous catalysis, catalyst support material or coatings in fuel cell applications. However, little is known about the stability of ... -
Transition-Metal Nanoparticle Catalysts Anchored on Carbon Supports via Short-Chain Alginate Linkers
(Journal article; Peer reviewed, 2021)This study reports a green, inexpensive, and highly versatile procedure to synthesize well-dispersed transition-metal nanoparticles anchored on carbon supports. The resulting metal loadings are 26 wt % or above. Achieving ... -
Translational and Rotational Motion of C8 Aromatics Adsorbed in Isotropic Porous Media (MOF-5): NMR Studies and MD Simulations
(Journal article; Peer reviewed, 2017)We combined nuclear magnetic resonance (NMR) and molecular dynamics (MD) simulation to study xylene behavior in MOF-5, probing the effects of adsorbate geometry in a weakly interacting model isotropic metal organic framework ... -
Transmission electron microscopy of ferroic materials
(Doctoral theses at NTNU;2022:109, Doctoral thesis, 2022)Materials science has the last few decades been advancing by an increasing insight in structure and local chemical composition at the sub-nanometre scale. In this context, the transmission electron microscope (TEM) has ... -
Transmission Spectra of an Electrochromic Window based on Polyaniline, Prussian Blue and Tungsten Oxide
(Journal article; Peer reviewed, 1993)The demand for energy savings in buildings will increase in the coming years, as the world's attention is drawn towards environmental aspects and energy economizing. Windows which are able to dynamically control the sun ... -
Transmission Spectra of an Electrochromic Window based on Polyaniline, Tungsten Oxide and a Solid Polymer Electrolyte
(Journal article; Peer reviewed, 1992)An electrochromic window was fabricated by combining polyaniline and tungsten oxide with a solid polymer electrolyte binding the two electrochromic materials together. Polyaniline and tungsten oxide were deposited ... -
Transmission Spectra of an Electrochromic Window consisting of Polyaniline, Prussian Blue and Tungsten Oxide
(Journal article; Peer reviewed, 1993)Energy savings in buildings can be achieved by using electrochromic windows which change colour by the application of an external voltage. We have studied an electrochromic window by combining polyaniline (PANI), prussian ... -
Transmission through an Electrochromic Window based on Polyaniline, Tungsten Oxide and a Solid Polymer Electrolyte
(Journal article; Peer reviewed, 1992)An electrochromic window was fabricated by combining polyaniline and tungsten oxide with a solid polymer electrolyte binding the two electrochromic materials together. Polyaniline and tungsten oxide were deposited ... -
Transmission through an Electrochromic Window based on Polyaniline, Tungsten Oxide and a Solid Polymer Electrolyte
(Journal article; Peer reviewed, 1992)An electrochromic window was fabricated by combining polyaniline and tungsten oxide with a solid polymer electrolyte binding the two electrochromic materials together. Polyaniline and tungsten oxide were deposited ... -
Transport and catalytic properties of hexagonal manganese oxides
(Master thesis, 2019)Tette keramiske membranar med blanda ionisk og elektronisk leiingsevne kan vera eit meir energieffektivt og miljøvenleg alternativ til kryogen destillasjon, for å imøtekome den auka et- terspurnaden av rein oksygengass. ... -
Transport coefficients for ion and solvent coupling. The case of the lithium-ion battery electrolyte
(Peer reviewed; Journal article, 2023)Transport properties are essential for the understanding and modeling of electrochemical cells, in particular complex systems like lithium-ion batteries. In this study, we demonstrate how a certain degree of freedom in the ...