Browsing Institutt for materialteknologi by Title
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Effect of Copper Content on etching Response of Aluminum in Alkaline and Acid Solutions
(Master thesis, 2012)Copper are used as an alloying element in aluminum alloys to increase the strength of the material. By mixing copper and aluminum the good corrosion resistance of the pure aluminum decreases giving the alloy a lower corrosion ... -
Effect of cryorolling on microstructure and mechanical properties of a peak-aged AA6082 extrusion
(Journal article; Peer reviewed, 2017)Peak-aged AA6082 flat extrusions were cryorolled at liquid nitrogen temperature to three different thickness reductions, the reductions were 21%, 42% and 85%, respectively. Microstructure and plastic deformation behaviors ... -
Effect of crystallographic orientation in textured Baa0.92Ca0.08TiO3 piezoelectric materials
(Journal article; Peer reviewed, 2014)Strongly textured lead-free Ba0.92Ca0.08TiO3 piezoelectric ceramics were fabricated by tape casting and templated grain growth. Dense ceramics with both favorable and unfavorable texture were successfully prepared. Enhanced ... -
Effect of Cu2+ on deposition mechanism and structure of ZrO2-based conversion coatings on AA6060 aluminium alloys and their susceptibility to filiform corrosion
(Peer reviewed; Journal article, 2024)Zirconium oxide-based conversion coatings (CCs) were prepared from hexafluorozirconic acid, H2ZrF6, with and without CuII as an additive. The CCs were prepared on primary and recycled AA6060. The deposition mechanism, ... -
Effect of CuO doping in Bi0.5K0.5TiO3 - Development of Lead-Free Ferroelectric Materials
(Master thesis, 2015)Piezoelectric materials are currently used in a significant number of electronic applications, and lead-free piezoelectric materials have obtained much attention in the recent years. Bismuth potassium titanate (BKT) is a ... -
Effect of current density, electrolyte composition and temperature on hot alternating current anodising
(Master thesis, 2017)Hot alternating current (AC) anodising has been established as a fast and reliable pre-treatment process for continuous coil coating. Hydro Aluminium Rolled Products AS (HARP) uses this process as a surface treatment before ... -
Effect of cyclic ageing on the early-stage clustering in Al–Zn-Mg(-Cu) alloys
(Peer reviewed; Journal article, 2022)The cyclic application of mechanical stress to aluminum alloys at room temperature, referred to as cyclic ageing, continuously injects vacancies, enabling dynamic precipitation of a fine distribution of solute clusters. ... -
Effect of Different Polymorphs of SiO2 on the Reaction between SiO2 and SiC in Si Production
(Master thesis, 2017)The aim of this work have been to investigate the phase transformations in silica (SiO2) during heating to target temperature, and the effect of SiO2 polymorphs on the reduction reaction between SiO2 and silicon carbide ... -
Effect of different SiO2 polymorphs on the reaction between SiO2 and SiC in Si production
(Peer reviewed; Journal article, 2021)This work investigates the phase transformations in silica (SiO2) during heating to a target temperature between 1700 °C and 1900 °C and the effect of SiO2 polymorphs on the reduction reaction 2SiO2 + SiC = 3SiO + CO in ... -
The Effect of Electrode Movements on Electrical Characteristics of a Submerged Arc Furnace
(Peer reviewed; Journal article, 2021)This work discusses the effect of electrode position on the electrical characteristics of a submerged arc furnace. A 3D model has been developed in ANSYS Maxwell using an eddy current solver that considers alternating ... -
The effect of Equal Channel Angular Pressing on the stress corrosion cracking susceptibility of AZ31 alloy in simulated body fluid
(Peer reviewed; Journal article, 2020)Despite the great potential of Mg and its alloys as material for biodegradable implants, their low resistance to the simultaneous action of corrosion and mechanical stresses in the human body have hampered their use. Stress ... -
Effect of Extrusion Combination Types on Microstructure and Mechanical Properties of the AZ31/GW103K Bimetallic Composite Plates
(Peer reviewed; Journal article, 2022)The AZ31/GW103K bimetallic composite plates were prepared by co-extrusion of different combination types (sandwich extrusion type and double semicircle extrusion type), and effects of different extrusion combination types ... -
Effect of Fe and Si content in Aluminium Alloys as a result of increased recycling: Testing of high purity Aluminium Alloys in uniaxial tension
(Master thesis, 2011)The recycling of aluminium from used aluminium scrap leads to an unavoidable presence of pollutions in the form of elements of various amounts. Two such elements are iron and silicon. These will always be present to some ... -
Effect of fine coke particles on rheological properties of the binder matrix of carbon anodes in aluminium production process
(Peer reviewed; Journal article, 2021)Aluminium production through the Hall-Héroult process relies on an extensive use of carbon anodes, which are originally made of coal tar pitch and fine and coarse carbon particles. During the forming process of green anodes, ... -
Effect of Firing Temperature on the Kinetics of Oxygen Reduction in La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) Cathodes for Solid Oxide Fuel Cells
(Master thesis, 2015)In the present work, symmetric cells consisting of La0.6Sr0.4Co0.2Fe0.8O3-delta (LSCF) cathodes and a Ce0.9Gd0.1O2-delta (CGO) electrolyte were fabricated. Both materials were spray-pyrolyzed by CerPoTech AS (Trondheim, ... -
Effect of gas atmospheres on the interactions between liquid silicon and coated graphite substrates
(Peer reviewed; Journal article, 2022)Interactions between the gas atmosphere, liquid silicon, Si3N4 coating, and graphite are of great interest for photovoltaic silicon applications. However, previous studies focus more on the wetting of silicon on coated ... -
The Effect of Grain Refiner on Aluminium Filtration
(Peer reviewed; Journal article, 2021)Grain refinement of aluminium and its alloys is a common industrial practice. Fine equiaxed, grain structure leads to improved castability, strength, machinability, formability, and good surface finish. Filtration is one ... -
The effect of grain size and rolling reduction on microstructure evolution and annealing hardening response of a Mg-3Gd alloy
(Journal article; Peer reviewed, 2024)Mg-3Gd (wt.%) samples with different initial grain sizes were prepared to evaluate the grain size effect on microstructural evolution during cold rolling and subsequent annealing hardening response. The deformation behavior ... -
Effect of heat input on nanomechanical properties of wire-arc additive manufactured Al 4047 alloys
(Peer reviewed; Journal article, 2022)Heat input is one of the most important process parameters during additive manufacturing (AM). It is of great significance to understand the effect of heat input on the microstructure and nanomechanical properties, as well ... -
Effect of Hot Rolling on Grain Refining Performance of Al–5Ti–1B Master Alloy on Hot Tearing on Al–7Si–3Cu Alloy
(Journal article; Peer reviewed, 2018)It has been known experimentally that TiAl3 acts as a powerful nucleant for the solidification of aluminum from the melt; however, a full microscopic understanding is still lacking. To improve microscopic understanding, ...