Blar i Institutt for materialteknologi på utgivelsesdato
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Emergent properties of protein-gold nanoconstructs for biomedical applications
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:75, Doctoral thesis, 2013)Bionanomaterials are exciting materials with applications both in diagnostics and treatment of a broad spectrum of diseases. Binding to colloidal structures, such as gold nanoparticles (AuNPs), is known to affect protein ... -
Aqueous sol-gel processing of transparent conducting rare earth doped indium tin oxide
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:226, Doctoral thesis, 2013)Transparent conducting oxides (TCOs) demonstrate optical transparency in the visible region of the electromagnetic spectrum combined with near-metallic electrical conductivity. Owing to this unique combination of properties, ... -
4d/5d Transition Metals in Perovskite Cathode Materials
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:131, Doctoral thesis, 2013)Solid oxide fuel cells (SOFCs) have the potential to convert chemical energy to electrical energy in an efficient and environmentally friendly manner. The high operational temperatures of the first generation of SOFCs ... -
Alkali-silica reaction (ASR)-performance testing: Influence of specimen pre-treatment, exposure conditions and prism size on alkali leaching and prism expansion
(Journal article; Peer reviewed, 2013)Whether or not concrete prism tests developed for assessment of alkali–silica reactivity of aggregates might be suitable for general ASR performance testing of concrete has been evaluated. This paper discusses how variations ... -
Removal of Inclusions from Liquid Aluminium using Electromagnetically Modified Filtration
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:211, Doctoral thesis, 2013) -
Subgrain Growth, Recovery Kinetics and Nucleation of Recrystallization of Cold Deformed Aluminium Alloys
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:330, Doctoral thesis, 2013)Phenomena related to annealing of aluminium alloys are among the least understood in aluminium metallurgy but very important for industrial thermo-mechanical processing i.e. deformation and annealing. Physical models are ... -
The Effect of Vanadium on AlFeSi - Intermetallic Phases in a Hypoeutectic Al-Si Foundry Alloy
(Master thesis, 2013)The effect of Vanadium on the Fe-rich alpha- and beta-intermetallic particles in a high purity Al-7wt% foundry alloy was investigated. Needle- and script-like Fe-rich intermetallic particles were successfully identified ... -
Tensile bond strength of cold roll bonded aluminium sheets
(Journal article; Peer reviewed, 2013)Sheets of AA1200 and AA3103 aluminium alloys were roll bonded at room temperature and the bond strength across the interface was tested in tension mode. Aluminium rods were glued to the two faces of a coin sample machined ... -
Production and Characterization of a Zr-based Bulk Metallic Glass: The possibility of a future biomaterial
(Master thesis, 2013)Materials put under strain while exposed to the harsh environment of the human body, must not only be chemically stable, but also have good tribocorrosion properties, i.e. a combination of good corrosion and wear properties.In ... -
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 ... -
HISC in Super Duplex Stainless Steels: A study of the relation between microstructure and susceptibility to hydrogen induced stress cracking
(Master thesis, 2013)Testing of susceptibility to hydrogen induced stress cracking (HISC) in two 25% Cr Super Duplex Stainless Steels (SDSS) has been carried out. These were a forged material and a hot isostatically pressed (HIP) material with ... -
Swelling properties of bioresponsive hydrogels: Swelling kinetics, and transport mechanisms in a hydrogel for signal transducing
(Master thesis, 2013)An oligonucleotide grafted acrylamide-bis-acrylamide based hydrogel was tested as a signal transducer. The sensing strand was conjugated with Iowa black that quenched the signal from the Alexa fluor 488 conjugated at the ... -
The Influence of Constituent Particles on Compression Properties and Fracture Initiation in Al Alloys
(Master thesis, 2013)In the present work an AlMgSi alloy, with a small amount of Fe has been investigated. The objective was to study how the thermomechanical processing influences the mechanical properties in compression, dependent on grain ... -
Advanced Micro Photoluminescence Spectroscopy of Single GaAs/AlGaAs Core-Shell Nanowires
(Master thesis, 2013)Self-catalyzed (SC) growth is a relatively new approach to growing GaAs nanowires (NWs). It has several advantages to Au-catalyzed growth, such as integration on Si platforms. Many of the growth parameters, including growth ... -
Layer continuity in accumulative roll bonding of dissimilar material combinations
(Journal article; Peer reviewed, 2013)Strips were made by accumulative roll bonding of up to 64 alternating layers of an AA3103 alloy and either commercial purity copper or CuZn20 brass as the second type of layer. With increasing number of accumulative roll ... -
Nanopatterning and plasmonic properties of plasma sputtered gold on diatom frustules
(Journal article; Peer reviewed, 2013)Bio-silica nanostructures from diatoms (called frustules) featuring plasmonic gold nanoparticles (NPs) are elaborated using two methods based on plasma sputtering of gold. The first investigated method uses a thermal ... -
Electrocatalysis and Novel Functions of Nano-Structured IrO2-Ta2O5 /Ti Anodes
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:70, Doctoral thesis, 2013)In the present work, the main purpose was the development of the IrO2-Ta2O5/Ti anodes to suppress the unwanted side reactions in industrial electrolytic processes. The mixed effects of Ir mole ratio and thermal decomposition ... -
Carbon Behaviour during Si Production
(Master thesis, 2013)First, the carbon content decreases with the increasing of silicon content in silicon phases. Second, the carbon content has no obvious trend in ferrosilicon phases. Third, the carbon element can be formed as silicon carbide ... -
Vacuum evaporation of pure metals
(Journal article; Peer reviewed, 2013)Theories on the evaporation of pure substances are reviewed and applied to study vacuum evaporation of pure metals. It is shown that there is good agreement between different theories for weak evaporation, whereas there ... -
Development of Asymmeteric Membranes for Oxygen Separation by Tape Casting and Dip Coating
(Master thesis, 2013)Ceramic membranes made from mixed ionic and electronic conductive oxide materials have received much attention over the last decade due to their ability to separate oxygen from air at 100 % selectivity. The flux through ...