Browsing Institutt for materialteknologi by Title
Now showing items 902-921 of 2563
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Experimental Study of the Thermal Stability and Chemical Reactivity of AlPO4-Bonded Ceramic Foam Filters (CFFs) in Contact with Molten Aluminium
(Master thesis, 2018)Filtration of liquid aluminium is widely used in the industry for the removal of inclusions, and Ceramic Foam Filters (CFFs) are often the filtration media of choice. Following an incident with generation of PH3 (g) ... -
Experimental Study of Thermal Conductivity and Compression Measurements of the GDL-MPL Interfacial Composite Region
(Journal article, 2016)MPL and GDL in a PEM fuel cell assembly are often treated as separate layers in the literature. However, there exists a considerable interfacial region where the two different materials merge. The MPL consists of fine ... -
Experimental Study on the Chemical Stability of Phosphate Bonded Al2O3-based Ceramic Foam Filters (CFFs)
(Peer reviewed; Journal article, 2021)Production of high-quality aluminum products requires an extensive melt treatment process, even more so with the increasing focus on recycling and sustainability. Filtration is a commonly used process segment for removal ... -
Explanation of Bubble Nucleation Mechanisms: A Gradient Theory Approach
(Journal article; Peer reviewed, 2018)A Helmholtz free energy description of the four nucleation mechanisms used to explain the bubble nucleation in electrochemical systems is presented. The mechanisms are compared based on the nucleation energy barrier and ... -
Exploring glow discharge mass spectrometry applications in materials characterization
(Doctoral theses at NTNU;2021:232, Doctoral thesis, 2021)Glow discharge mass spectrometry (GDMS) relying on continuous direct current discharge source coupled to sector field mass analyzer (SF-GDMS) is popular for its ability to detect impurities in sub-ppb level. Astrum GDMS ... -
Exploring lithium ion batteries for wind powered water injection
(Master thesis, 2016)In this work, lithium ion batteries consisting of carbon-coated silica (\ce{SiO2}) anodes and various commercial cathodes were prepared, tested, and analysed for use in a novel wind-powered water injection system, designed ... -
Exploring Silica from Diatom Frustules as a High Performance, Low Cost and Environmentally Friendly Anode Material for Lithium Ion Batteries
(Master thesis, 2017)In this work, silica extracted from diatom frustules was explored as a potential high performance, low cost and environmentally friendly anode material for lithium ion batteries. The diatom frustules were washed and calcined, ... -
Exploring the Application of Filter Dust from SiC Production in Concrete
(Bachelor thesis, 2024)Silisiumkarbid er hovedsakelig produsert gjennom Acheson prosessen. Den inkluderer å varme opp petroleumskoks, silika sand og karbon til temperaturer høyre enn 2000°C. De høye temperaturene bidrar til å frigjøre avgasser ... -
Exploring the influence of composition and morphology on the oxygen evolution reaction performance of Co-based catalysts
(Peer reviewed; Journal article, 2023) -
Exploring V2C MXene as a New Cathode Material for Rechargeable Magnesium Batteries
(Master thesis, 2018)Rechargeable magnesium batteries (RMBs) is a promising technology to compete with state-of-the art lithium-ion batteries, due to the possible improvements in safety, abundance of materials and energy density. However, one ... -
Exploring V2C MXene as Cathode Constituent for Rechargeable Magnesium Batteries
(Master thesis, 2019)Oppladbare magnesiumbatterier er spådd å kunne utkonkurrere moderne Li-ion-batterier når det kommer til volumetrisk kapasitet, sikkerhet, pris og skaleringspotensiale. Hovedutfordringene som står i veien for utviklingen ... -
Extent of Ore Prereduction in Pilot-scale Production of High Carbon Ferromanganese
(Peer reviewed; Journal article, 2021)Three pilot-scale experiments have been conducted at SINTEF/NTNU in a 440 kVA AC electric furnace to demonstrate the process operation, energy requirements and CO2 emissions in the production of high carbon ferromanganese ... -
Extremely low thermal conductivity and high thermoelectric performance in liquid-like Cu2Se1-xSx polymorphic materials
(Journal article, 2017)Recently, copper chalcogenides Cu2−xδ (δ = S, Se, Te) have attracted great attention due to their exceptional thermal and electrical transport properties. Besides these binary Cu2−xδ compounds, the ternary Cu2−xδ solid ... -
Fabrication and Characterization of an Intermediate Band Material based on Ion Implantation and Pulsed Laser Melting of Ag in Fz-Si
(Master thesis, 2015)Intermediate band solar cells (IBSCs) are an innovative field of material engineering and their prospect of high efficiency may contribute to meet the demand for new energy alternatives. IBCSs are based on absorption of ... -
Fabrication and Measurements of GaAs Nanowire Array Solar Cell Devices
(Master thesis, 2013)Radial junction p-i-n GaAs nanowire array solar cell (NWASC) devices have been fabricated and optoelectrically measured. Substrates for nanowire (NW) growth were fabricated by electron beam lithography or nanoimprint ... -
Fabrication of a Novel Al/Mg Composite:: Processing and Characterization of Pure Aluminium, Al/AZ31 Alloy Bi-Metal and Aluminium based Sheet Composites by Severe Plastic Deformation
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:318, Doctoral thesis, 2013) -
Fabrication of a Silicon Photonic Crystal Biosensor
(Master thesis, 2014)The research performed in the scope of the master project and described in this thesis is devoted to the study of a two dimensional photonic crystal biosensor in silicon. The band gap of hexagonal photonic crystal slab ... -
Fabrication of Lead-Free Bi0.5Na0.5TiO3 Thin Films by Aqueous Chemical Solution Deposition
(Journal article; Peer reviewed, 2017)Piezoelectric ceramics are widely used in actuator applications, and currently the vast majority of these devices are based on Pb(Zr,Ti)O3 , which constitutes environmental and health hazards due to the toxicity of lead. ... -
Fabrication of lead-free ferroelectric thin films based on Bi0.5Na0.5TiO3 by aqueous chemical solution deposition
(Doctoral theses at NTNU;2017:326, Doctoral thesis, 2017)Since the discovery of piezoelectric ceramic materials in the mid-20th century, piezoelectric materials have become an important research field and is currently used in a whole range of applications such as sensors and ... -
Faceted interfacial structure of {1011} twins in Ti formed during equal channel angular pressing
(Journal article; Peer reviewed, 2010)The boundary structure of {1011} deformation twins formed in commercial pure titanium (CP-Ti) during the initial pass ECAP processing has been studied by TEM and HRTEM. A new twining mode with twinning dislocation of b3/3, ...