Blar i Institutt for materialteknologi på tittel
Viser treff 1090-1109 av 2504
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Improved Synthetic Methodology, Substrate Scope and X-ray Crystal Structure for N, N’-disubstituted Guanidines
(Peer reviewed; Journal article, 2024)Guanidine is a privileged scaffold in drug discovery. Herein we report our investigations into the acid promoted amination of pyrimidine-bearing cyanamide to produce N, N’-disubstituted guanidines. Hydrochloric acid was ... -
Improvement of surface properties of high pressure laminates
(Doctoral theses at NTNU;2018:59, Doctoral thesis, 2018)Laminated flooring is an important part of the decorative laminates market. High pressure laminates in particular are preferred products for flooring due to their outstanding properties such as fire and stain resistance, ... -
Improving ageing kinetics and precipitation hardening in an Al-Mg-Si alloy by minor Cd addition
(Journal article; Peer reviewed, 2018)This study reports significant improvements in both the age hardening kinetics and peak hardness of an Al-Mg-Si alloy by microalloying with 0.06 at% Cd. A detailed high-angle annular dark-field scanning transmission electron ... -
Improving Quantification of Sigma and Chi Phases in SDSS with EBSD
(Master thesis, 2020)Super duplex rustfrie stål (SDSS) blir på grunn av deres kombinasjon av høy korrosjonsmotstand og gode mekaniske egenskaper brukt i industrier hvor disse materialegenskapene er nødvendige, f.eks. i olje- og gassindustrien. ... -
Improving the Dynamic Sensing Range of Electrochemical Enzymatic Lactate Biosensors for Sweat Monitoring Applications
(Master thesis, 2023)Svette er en lett tilgjengelig kroppsvæske for ikke-invasiv og kontinuerlig sanntidsmåling av laktat under fysisk aktivitet. Elektrokjemiske enzym-baserte biosensorer er lovende for integrering i en bærbar sensorenhet, da ... -
Impurities and Current Efficiency in Aluminum Electrolysis
(Doctoral thesis at NTNU;2015:220, Doctoral thesis, 2015)Different factors can contribute to current efficiency loss in aluminum electrolysis and one of them is due to the presence of impurities. Concerns on impurities have been raised since decline in raw material quality and ... -
Impurities in Ilmenite - Excess Iron
(Master thesis, 2015)During this master s thesis, batches of ilmenite with three different Fe/Ti-ratios were successfully synthesised. After synthesis, the batches underwent pre-oxidation, reduction with ThermoGravimetric Analysis (TGA), before ... -
Impurities in Ilmenite: Magnesium
(Master thesis, 2015)The influence of Mg as main impurity in ilmenite during gaseous reduction with CO and H2 gas was studied in this work. This is of interest for the ilmenite pre-reduction step in the Tyssedal Process as where the impurities ... -
Impurities in the Crucible-Coating-Silicon System for Solar Cell Applications
(Master thesis, 2015)Materials of high purity are required for the production of crystalline silicon for solar cells. Impurities are indeed very detrimental to solar cell efficiency. Contamination can occur at many stages during the processing, ... -
Impurity control in high performance multicrystalline silicon
(Journal article; Peer reviewed, 2017)We report results from a national project about impurities in high performance multicrystalline silicon: Contamination sources, transport routes, interaction with crystal defects and impact on solar cell efficiency parameters. ... -
Impurity distribution and reduction behaviour of quartz in the production of high purity silicon
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:182, Doctoral thesis, 2012)The production of solar grade silicon is based on the use of expensive high purity carbon and quartz feedstock as well as various silicon refining techniques. Impurities in the feedstock materials enter the silicon during ... -
Impurity effect of Mg on the generalized planar fault energy of Al
(Journal article; Peer reviewed, 2016)Generalized planar fault energy (GPFE) curves are widely used to evaluate the deformation behavior of metals and alloys. In the present work, a systematic analysis of the microscopic plastic deformation mechanism of ... -
Impurity Elements in Raw Gas Ultra-Fines from Aluminium Electrolysis Cells
(Journal article; Peer reviewed, 2012)The effect of alumina feeding and pot suction rate on the amount and composition of fine particles in raw gases has been investigated. Particle size distribution of ultra-fines (Di < 10 μm) were measured in real time and ... -
Impurity removal from Si by Si-Ca-Mg ternary alloying-leaching system
(Peer reviewed; Journal article, 2020)In this work, Si-Ca-Mg alloys were made with different compositions and solidification conditions to investigate the impurity segregation and separation performance from Si, especially for the crucial P impurity at several ... -
Impurity segregation at defects in Al and Si -A theoretical DFT based study
(Doctoral theses at NTNU;2017:273, Doctoral thesis, 2017)Alien impurity elements favor to stay at the defects, e.g. stacking fault, grain boundary (GB) in host materials and thus influence many material properties. On basis of atomistic simulations, the present thesis puts a ... -
In operando neutron diffraction study of LaNdMgNi9H13 as a metal hydride battery anode
(Journal article; Peer reviewed, 2017-03-01)La2MgNi9-related alloys are superior metal hydride battery anodes as compared to the commercial AB5 alloys. Nd-substituted La2-yNdyMgNi9 intermetallics are of particular interest because of increased diffusion rate of ... -
In situ and operando observation of surface oxides during oxygen evolution reaction on copper
(Journal article; Peer reviewed, 2017)Formation and dissolution of oxide on copper under transpassive conditions, i.e. during OER and transpassive dissolution, in alkaline electrolyte was investigated by a combination of electrochemical techniques and in situ ... -
In situ characterisation for studying nucleation and growth of nanostructured materials and thin films during liquid-based synthesis
(Peer reviewed; Journal article, 2022)Knowledge about the nucleation, growth, and formation mechanisms during materials synthesis using sol-gel and solution-based methods is important to design a material with desired properties. We used aqueous chemical ... -
In situ characterization during hydrothermal synthesis of alkali niobates
(Doctoral theses at NTNU;2018:318, Doctoral thesis, 2018) -
In situ Characterization of Ferroelectric Oxide Thin Films during Aqueous Chemical Solution Deposition
(Doctoral theses at NTNU;2020:144, Doctoral thesis, 2020)Ferroelectric materials are used in a wide range of applications, including capacitors and non-linear optical devices. Utilization of ferroelectric thin films is especially desirable due to the possibility to tailor the ...