Blar i Institutt for materialteknologi på utgivelsesdato
Viser treff 381-400 av 2534
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Reactivity of Calcined Clays
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:218, Doctoral thesis, 2013)With 3-5 billion tons cement-produced every year, the cement industry is today the third largest emitter of CO2 in the world after fossil-fuel based energy plants serving heating/cooling of buildings and combustion engines ... -
Light-weight materials produced by accumulative roll bonding
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:114, Doctoral thesis, 2013)The work presented in this thesis is an experimental study of roll bonding and accumulative roll bonding of similar and dissimilar metal combinations with special focus on bond strength evaluation, post process heat ... -
Corrosion Development in Welded AA6082 Alloys
(Master thesis, 2013)AlMgSi alloys, frequently used as extruded profiles, generally show excellent corrosionresistance, as Mg is incorporated in the protective oxide layer, thus providing additionalstabilization. However, localized corrosion ... -
Dense Oxygen Separation Membrane Materials —Thermal and Chemical Expansion of La1xSrxMO3-δ (M = Fe, Co) and Tape Casting and Mechanical Properties of La2NiO4+δ
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:367, Doctoral thesis, 2013) -
B-cation ordering and dielectric properties of relaxor ferroelectric Pb(Sc1/2Nb1/2)O3
(Master thesis, 2013)Molten salt synthesis and solid state synthesis were used to make relaxor ferroelectric Pb(Sc1/2Nb1/2)O3,abbreviated PSN in most literature. Many studies have previously been conducted on this material to obtain so called ... -
Effects of Heat Treatment on Microstructure, Strength and Hardness of F22 Steel
(Master thesis, 2013)In offshore oil exploitation, the riser is an important component, linking the installations on the seabed to the surface installations. This master's thesis has looked at the possibility of implementing forge welding in ... -
Silicon for silicon nitride based products
(Master thesis, 2013)Previous studies have shown that the oxide layer on the surface of silicon particles can reduce the hydrogen evolution that comes from contacting silicon with water during slip casting, prior to nitridation. This study ... -
Bending ductility and through thickness anisotropy in 6xxx extruded profiles
(Master thesis, 2013)6xxx aluminium alloy extruded profiles are widely used in the automotive bumper systems due to light weight, high strength and good ductility. Bending ductility dominates the behavior of bumper systems to absorb energy in ... -
Mechanical Properties of Gas Metal Arc and Friction Stir AA6082-T6 Weldments
(Master thesis, 2013)The general purpose of the presents report is to determine the mechanical properties of AA6082-T6 subsequent to gas metal arc welding (GMAW) and friction stir welding (FSW). Hardness testing have been carried out for the ... -
Anodic Activation of Aluminium by Trace Element Gallium
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:37, Doctoral thesis, 2013) -
Stability of the Graphite Electrode for Li-ion Batteries
(Master thesis, 2013)This thesis has focused on the characterization of two different graphite materials, in order to gain an improved understanding of how composition of the electrolyte and cycling of the battery influences the stability of ... -
The influence of Mn, Fe and Si on the work hardening of aluminum alloys
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:16, Doctoral thesis, 2013)The relationship between the processing, the structure and the properties is a key issue of materials science research. The improvement of the properties and optimization of the process always requires a better understanding ... -
Electrocatalysts for medium temperature PEM water electrolysis
(Doctoral Theses at NTNU, 1503-8181; 2013:190, Doctoral thesis, 2013)The main subject of this PhD thesis is the fabrication and investigation the electrochemical behavior of anode catalysts appropriate for medium- temperature proton exchange membrane (PEM) water electrolysis (WE) operating ... -
High capacity nanostructured Li2FexSiO4/C with Fe hyperstoichiometry for Li-ion batteries
(Journal article; Peer reviewed, 2013-02-17)Li2FeSiO4-based materials have attracted a great deal of interest as cathodes for lithium ion batteries for its excellent thermal stability and good cycling ability. Nanoporous Li2FeSiO4/C composites with varying Fe ... -
3D aligned-carbon-nanotubes@Li2FeSiO4 arrays as high rate capability cathodes for Li-ion batteries
(Journal article; Peer reviewed, 2013-09-27)3D aligned-carbon-nanotubes (ACNTs)@Li2FeSiO4 nanocomposite arrays on Al foil were developed as cathode materials for Li-ion batteries. The ACNTs were grown directly on an Al foil by a chemical vapor deposition method to ... -
Phase Stability and Point Defects in InMnO3
(Master thesis, 2014)During the last decade hexagonal manganites (h-RMNO3) have been a widely researched topic. This is mainly due to their multiferroic property that makes them a potential material for use in future electronics, data storage ... -
Fibre reinforced lightweight aggregates
(Journal article; Peer reviewed, 2014)Carbon steel fibre reinforced lightweight aggregates (LWA) were produced in a pilot scale rotary kiln. Narrow size fractions as well as not-sieved (asreceived) material were investigated according to European standards ... -
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 ... -
Modifications of the Kramers-Kronig Relations for the Magnetic Permeability
(Master thesis, 2014)The Kramers-Kronig (KK) relations provide a mathematical relation between the real and imaginary part of a complex function that is analytic in the upper half plane and tends to zero as the argument tends to infinity. The ... -
The Effect of Mn and Homogenisation Procedure on Mechanical Properties and Grain Structure in Extruded AA6082
(Master thesis, 2014)Extruded profiles of AlMgSi-alloys are widely used in various industries such as the automotive industry, aerospace and in the oil and gas industry. To tailor the alloys for specific needs and applications, more information ...