Blar i Institutt for materialteknologi på tittel
Viser treff 1155-1174 av 2499
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Influence of natural aging and ramping before artificial aging on the microstructure of two different 6xxx alloys
(Peer reviewed; Journal article, 2022)In this study the effect of a ramp up to artificial aging (AA) temperature in combination with natural aging (NA) was analyzed for two different industrial aluminium alloys. The alloys differ in their Mg/Si ratio as well ... -
Influence of phosphorus on current efficiency in aluminum electrolysis at different current densities
(Journal article; Peer reviewed, 2017)Many factors may contribute to loss of current efficiency (CE) in aluminum reduction and one of them is a presence of impurities. In this work, the effect of phosphorus on CE is studied in a laboratory cell at different ... -
Influence of polycrystalline material on crater shape optimization and roughness using low power/low-pressure direct-current glow discharge mass spectrometry
(Peer reviewed; Journal article, 2020)Depth profiling is an attractive approach for analysis of non-homogeneous samples and layered materials. This application requires an optimum sputtered crater profile, which means a flat crater bottom with steep walls and ... -
Influence of processing on stability, microstructure and thermoelectric properties of Ca3Co4-xO9+δ
(Journal article; Peer reviewed, 2018)Due to high figure of merit, Ca3Co4-xO9+δ (CCO) has potential as p-type material for high-temperature thermoelectrics. Here, the influence of processing including solid state sintering, spark plasma sintering and ... -
Influence of Stacking Sequence and Intermediate Layer Thickness in AA6082-IF Steel Tri-Layered Cold Roll Bonded Composite Sheets
(Journal article; Peer reviewed, 2018) -
Influence of synthesis techniques and morphology on electrochemical properties in manganese based lithium ion batteries.
(Master thesis, 2019)Føremålet med denne avhandlinga er syntese av LiMn2O4 med varierande partikkel morfologi, og kva det si påverknad det vil væra for bruk i høg spennings litium ion batteri (LIB). Gjennom sol-gel syntese og medutfelling vart ... -
Influence of test parameters on high temperature cathodic disbonding testing of fusion bonded epoxy coatings
(Master thesis, 2020)Fusjonsbundet epoksybelegg brukes sammen med katodisk beskyttelse for å beskytte stålrør i sjøvann mot korrosjon. Belegg i kombinasjon med katodisk beskyttelse kan føre til katodisk avbinding hvis belegget er ødelagt. ... -
Influence of thermomechanical processing sequence on properties of AA6082-IF steel cold roll bonded composite sheet
(Journal article; Peer reviewed, 2018)Cold roll bonded tri-layered composites consisting of AA6082 and IF steel have been produced. The goal was to find the optimal sequence of solutionizing, aging and rolling, for obtaining good bond strength and at the same ... -
The Influences of Grain Refiner, Inclusion Level, and Filter Grade on the Filtration Performance of Aluminum Melt
(Peer reviewed; Journal article, 2021)The addition of grain refiner particles in the aluminum melt is known to reduce the filtration efficiency of ceramic foam filter (CFF). In the present work, a systematic study on the influence of the addition level of ... -
Initiation and Propagation of Intergranular Corrosion on AA6005 Aluminium Alloy
(Doctoral theses at NTNU;2018:391, Doctoral thesis, 2018)The increasing use of 6xxx series aluminium alloys (AlMgSi) in automotive applications is due to its high strength to weight ratio (enabling substantially reduced fuel consumption and CO2 emissions than for heavier materials ... -
Innføring av prediktivt vedlikehold - en mulighetsstudie
(Bachelor thesis, 2019)Målet med denne bacheloroppgaven har vært å undersøke hvordan Aker BP kan nyttiggjøre seg av tilgjengelig tilstands- og driftsdata fra vanninjeksjonssystemet på oljeplattformen Ivar Aasen i innføring av prediktivt vedlikehold ... -
Innovative Utilization of Aluminum-Based Secondary Materials for Production of Metallurgical Silicon and Alumina-Rich Slag
(Journal article; Peer reviewed, 2022) -
Inside the electrode: Looking at cycling products in Li/O2 batteries
(Journal article; Peer reviewed, 2019)This work investigates the impact of electrochemical reactions and products on discharge capacity and cycling stability with electrolytes based on two common solvents – tetraethylene glycol dimethyl ether (TEGDME) and ... -
Insights on microstructural evolution and capacity fade on diatom SiO <inf>2</inf> anodes for lithium-ion batteries
(Peer reviewed; Journal article, 2023)is a promising material for developing high-capacity anodes for lithium-ion batteries (LIBs). However, microstructural changes of anodes at the particle and electrode level upon prolonged cycling remains unclear. In this ... -
Insulating improper ferroelectric domain walls as robust barrier layer capacitors
(Peer reviewed; Journal article, 2021)We report the dielectric properties of improper ferroelectric hexagonal (h-)ErMnO3. From the bulk characterization, we observe a temperature and frequency range with two distinct relaxation-like features, leading to high ... -
Inter-diffusion across a direct p-n heterojunction of Li-doped NiO and Al-doped ZnO
(Journal article; Peer reviewed, 2018)We herein report inter-diffusion across the interface between p-type Ni0.98Li0.02O and n-type Zn0.98Al0.02O for various applications including p-n-heterojunction diodes and oxide thermoelectrics. Diffusion couples were ... -
Interaction between pre-reduced ilmenite and high titania slag melts
(Master thesis, 2023)I titanium industrien er ilmenitt ett av de viktigste r˚amaterialene. Ilmenitt behandles ved bruk av reduksjonsmetoder som involverer kull/koks. Det er et ønske om ˚a bevege seg bort fra kull/koks (CO) reduseringsmetoden ... -
Interaction of Eutectic Fe-Si-B Alloy with Graphite Crucibles
(Master thesis, 2018)The work in this thesis was performed as a part of the AMADEUS project. The goal was to experimentally investigate the interaction between eutectic Fe-Si-B alloy and dense graphite crucibles, and the results will be compared ... -
Interaction of SiO-gas and Charcoal and the Formation of SiC and Si
(Master thesis, 2019)For å nå eit høgt utbytte i produksjonen av silisium, er det viktig å fange stigande SiO-gass ved reaksjon med karbonhaldig materialar for å danne SiC. Den påfølgjande reaksjonen mellom SiC og SiO-gass er kjend for å ... -
Interaction of water with quartz sand surfaces studied by in situ temperature dependent diffuse reflectance IR spectroscopy
(Master thesis, 2019)Kvartssand med høy renhet brukes som materiale for digler i produksjonen av monokrystallinske silisiumstøpeblokker. Støpeblokkene blir videre produsert til solceller i Czochralski (CZ)-prosessen. Hydroksyl- og vanninnholdet ...