Blar i Institutt for materialteknologi på tittel
Viser treff 1552-1571 av 2544
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Multi-level modelling of mechanical anisotropy of commercial pure aluminium plate: Crystal plasticity models, advanced yield functions and parameter identification
(Journal article; Peer reviewed, 2015)The mechanical anisotropy of an AA1050 aluminium plate is studied by the use of five crystal plasticity models and two advanced yield functions. In-plane uniaxial tension properties of the plate were predicted by the ... -
Multi-level Modelling of Plastic Anisotropy of Aluminium Alloys Using Crystal Plasticity Models and Advanced Yield Functions
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:164, Doctoral thesis, 2014)The hood, doors and other panels of a car can be made by aluminium sheets, through complex forming operations. Design of forming processes requires trustable models and simulations. Forming properties are different in ... -
Multi-Phase Sputtered TiO<inf>2</inf>-Induced Current–Voltage Distortion in Sb<inf>2</inf>Se<inf>3</inf> Solar Cells
(Peer reviewed; Journal article, 2023)Despite the recent success of CdS/Sb2Se3 heterojunction devices, cadmium toxicity, parasitic absorption from the relatively narrow CdS band gap (2.4 eV) and multiple reports of inter-diffusion at the interface forming ... -
Multi-scale strain measurements vs. grain size in aluminium
(Master thesis, 2011)Now days, aluminum usage is increasing in industry. This metal has good formability and mechanical properties, but combination of mechanical strength and elongation could be improved in order to enhance competition.One of ... -
Multiferroic, Magnetoelectric Nanoparticles: Lanthanum-substituted Bismuth Ferrite
(Master thesis, 2011)In this report, 10 at% lanthanum was introduced to the perovskite structure of bismuth ferrite at the expense of bismuth through a modified Pechini wet chemical method. Green body powders were calcined at several temperatures, ... -
Multilayer Coated Aluminium Bipolar Plates for Light-weight Fuel Cells
(Master thesis, 2022)Den moderne verdens største utfordring er å holde seg innenfor grensene for akseptabel global oppvarming. Klimagassutslipp må derfor reduseres. Flytrafikk er en enorm bidragsyter til klimagassutslipp verden over. ... -
Multislice image simulations of sheared needle‐like precipitates in an Al‐Mg‐Si alloy
(Peer reviewed; Journal article, 2020)The image contrast of sheared needle‐like urn:x-wiley:00222720:media:jmi12901:jmi12901-math-0001 precipitates in the Al‐Mg‐Si alloy system is investigated with respect to shear‐plane positions, the number of shear‐planes, ... -
Mushy zone permeability and grain morphology in equiaxed aluminium-copper alloys
(Dr. ingeniøravhandling, 0809-103X; 2000:33, Doctoral thesis, 2000) -
Mutations that Cause Multiple Endocrine Neoplasia Type 1
(Bachelor thesis, 2021)Sammendraget er konfidensielt. -
N-type Czochralski silicon ingots - Oxygen-related defects in the last solid fraction
(Master thesis, 2016)The focus of this master's thesis has been the formation of oxygen-related defects in the last 10 cm before the tail in Czochralski silicon ingots for solar cell applications. For nine industrial standard ingots from ... -
N-type Czochralski silicon solidification: Oxygen- and copper-related defects formation
(Doctoral thesis at NTNU;2016:68, Doctoral thesis, 2016)This PhD work was focused on the formation of oxygen- and copper-related defects in ntype Czochralski silicon for solar cells. These defects are a very important source of material and solar cell performance degradation, ... -
Nano- porous proppants for shale oil and gas production
(Master thesis, 2014)Over the last decade a rapid increase in utilization of unconventional reservoirs ha occurred due to advances in horizontal drilling and multi-stage fracturing technology. Reservoirs that earlier were far beyond commercial ... -
Nano-scale characterisation of sheared β” precipitates in a deformed Al-Mg-Si alloy
(Journal article; Peer reviewed, 2019)This paper compares the nano-scale structure of β” precipitates in a peak-aged Al-Mg-Si alloy before and after deformation. Three complementary advanced transmission electron microscopy techniques are used to reveal the ... -
Nanomaterialer for kjemisk oksygenlagring
(Master thesis, 2014)Faserene nanokrystalline pulvere av heksagonal RMnO3, hvor R er Y eller Dy, ble syntetisert med en våt-kjemisk syntesemetode , og prøvene ble varmebehandlet ved forskjellige temperaturer for å oppnå varierende krystallit ... -
Nanomaterials for Electrochemical Energy Conversion and Storage Technologies
(Journal article; Peer reviewed, 2019)In this modern era, our society faces a serious energy crisis due to increasing human population. Energy consumption starts from small-scale electronic gadgets to high power consuming electric vehicles. To supply power on ... -
Nanometer‐Scale Depth‐Resolved Atomic Layer Deposited SiO2 Thin Films Analyzed by Glow Discharge Optical Emission Spectroscopy
(Journal article; Peer reviewed, 2018)In this contribution, pulsed radio frequency (rf) glow discharge optical emission spectroscopy (GDOES) is used to investigate the film properties of SiO2 deposited by plasma enhanced atomic layer deposition (PEALD), for ... -
Nanoparticle additions promote outstanding fracture toughness and fatigue strength in a cast Al–Cu alloy
(Peer reviewed; Journal article, 2020)Fatigue resistance and fracture toughness are essential to the reliability of castings during service. Reducing microporosity in cast alloys is a crucial issue for improving their fatigue strength and fracture toughness. ... -
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 ... -
Nanoscale Chemical Analysis of Ferroic Materials and Phenomena
(Doctoral theses at NTNU;2023:397, Doctoral thesis, 2023)The discovery of new physical phenomena in materials is closely linked to the progress in characterization and is propelled by the ability to observe and study physical processes occurring at the atomic level. Newly ... -
Nanostructured cathode materials for Li-ion batteries
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:32, Doctoral thesis, 2013)