Blar i Institutt for materialteknologi på tittel
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Influence of impurity element Sn on the precipitation of dispersoids and age hardening precipitates
(Master thesis, 2019)Effekten av mikrolegeringselementer på presipitatherdingen til to forskjellige aluminium-legeringer, AA3003 og AA6082, ble undersøkt. For hver legering ble hardheten, samt elektrisk konduktivitet målt. Ved maksimal hardhet ... -
Influence of impurity elements on the precipitation behaviour of dispersoids and their hardening effects in aluminium alloys
(Master thesis, 2017)Three different types of alloys have been investigated with respect to hardness, conductivity, strength and microstructural analysis using SEM and TEM. -
The influence of low-temperature sterilization procedures on piezoelectric ceramics for biomedical applications
(Peer reviewed; Journal article, 2021)Piezoelectric materials are intensively investigated for usage in biomedical applications ranging from in vivo sensors and energy harvesters to implants for bone and neural cell stimulation. Besides the high requirements ... -
Influence of Mg Concentration on the Inhibiting Effect of CO2 on the Rate of Oxidation of Aluminum Alloys 5182 and 6016
(Peer reviewed; Journal article, 2021)Oxidation of aluminum alloys during production is a well-known problem and contributes to significant metal losses. As small additions of CO2 in the oxidizing atmosphere has proven to inhibit the oxidation rate for ... -
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 ...