Blar i Institutt for materialteknologi på tittel
Viser treff 1142-1161 av 2501
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Influence of Annealing of Al-5Ti-1B Master Alloy on Hot Tearing of Cast Al-7Si-3Cu Alloy
(Journal article; Peer reviewed, 2017)Hot tearing is a common and severe defect encountered in aluminium alloys castings. It is affected by alloy composition as well as processing conditions and variables. In Al–7Si-3Cu presence of copper increases mechanical ... -
Influence of Artificial Porosity on Piezoelectric Behavior of (K,Na)NbO3 (KNN) Bulk Ceramics
(Master thesis, 2016)The influence of artificial porosity on the piezoelectric behaviour of KNN was studied for possible biomedical applications. A "piezoelectric effect" observed in bone is expected to trigger bone growth and healing. Therefore, ... -
Influence of Atmosphere and Temperature on Polycyclic Aromatic Hydrocarbon Emissions from Green Anode Paste Baking
(Peer reviewed; Journal article, 2023)Coal tar pitch, a well-known source of polycyclic aromatic hydrocarbons (PAHs), is used as a binder of petroleum coke in prebaked anodes used for electrolysis of aluminum. Anodes are baked up to 1100 °C over a 20-day period, ... -
Influence of Cryolite Content on the Thermal Properties and Coalescence Efficiency of NaCl-KCl salt flux
(Peer reviewed; Journal article, 2023)Salt fluxes with fluoride additions are necessary for the treatment and recycling of contaminated or oxidized aluminium scrap. This study aims to investigate the effect of cryolite additions on the thermal properties and ... -
Influence of dispersoids on grain subdivision and texture evolution in aluminium alloys during cold rolling
(Journal article, 2014)Al-Mn alloys containing similar amounts of solutes but various dispersoid densities were cold rolled. The grain subdivision and micro-texture were examined by electron backscatter diffraction and orientation imaging ... -
Influence of dispersoids on microstructure evolution and work hardening of aluminium alloys during tension and cold rolling
(Journal article; Peer reviewed, 2013)The influence of dispersoids on work hardening of aluminium during tension and cold rolling has been studied by comparing Al–Mn alloys containing similar amounts of solutes but various dispersoid densities. The microstructure ... -
Influence of electrode gas flow rate and electrolyte composition on thermoelectric power in molten carbonate thermocell
(Journal article, 2016)A thermocell (thermo-electrochemical cell) is an electrochemical system with two identical electrodes placed at different temperatures in an electrolyte solution. Ion transport between the electrodes due to the temperature ... -
Influence of Electrode Gas Flow Rate and Solid Oxide Ratio in Electrolyte on the Seebeck Coefficient of Molten Carbonate Thermocell
(Journal article; Peer reviewed, 2017)Thermocells represent a promising way to utilize heat as a power source. The aim of this work is to develop a thermocell with identical gas electrodes using molten carbonate-based electrolytes. The cell can generate power ... -
Influence of filter surface roughness on the pressure drop of ceramic foam filters
(Peer reviewed; Journal article, 2023)The pressure drop of a ceramic foam filter is an important characteristic indicating the resistance to fluid flow through the filter. Filtration experiments have shown that filtration efficiency increases with decreasing ... -
Influence of grain refiners on the wettability of Al2O3 substrate by aluminum melt
(Peer reviewed; Journal article, 2020)It is well known that grain refiner additions in aluminum melts significantly reduce the filtration efficiency of ceramic foam filters (CFF). However, the mechanism remains unclear. In this work, the influence of grain ... -
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)