Blar i Institutt for materialteknologi på tittel
Viser treff 1446-1465 av 2549
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Medieval copper mining and smelting in Central Norway
(Chapter, 2019)In Norway, copper was used in alloys from the Bronze Age onwards, but domestic copper mining and smelting has not been recognized before the Late Middle Ages. A copper smelter found in Meråker Municipality in Central Norway ... -
Memristive TiO2: Synthesis, Technologies, and Applications
(Peer reviewed; Journal article, 2020)Titanium dioxide (TiO2) is one of the most widely used materials in resistive switching applications, including random-access memory, neuromorphic computing, biohybrid interfaces, and sensors. Most of these applications ... -
Meniscus Dynamics in Aluminium Extrusion Ingot Casting
(Dr. ingeniøravhandling, 0809-103X; 2002:57, Doctoral thesis, 2002)In the modern process of continuous Direct Chill (DC) hot top casting of aluminium extrusion ingot with gas slip, poor surface quality of the cast ingot can still be a problem. In the worst cases pronounced surface wrinkling ... -
Mesophase Transitions in [(C2H5)4N][FeBrCl3] and [(CH3)4N][FeBrCl3] Ferroic Plastic Crystals
(Peer reviewed; Journal article, 2022)Plastic crystals are supramolecular materials that possess a unique high entropy mesophase at elevated temperatures, where a long-range structural symmetry coexists with a local molecular orientational disorder. The ... -
Mesoscale Modeling of Dendritic Growth During Directional Solidification of Aluminium Alloys
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:13, Doctoral thesis, 2011)The development of materials based on metallic alloys with specific properties requires controlled solidification processes. Indeed, materials properties depend strongly on the microstructure. In the past few decades ... -
Metal and Slag Extraction from Different Zones of a Submerged Arc Furnace with Non-uniform Porous Bed Using CFD
(Peer reviewed; Journal article, 2022)The present study has investigated the influence of sulfur content in synthetic FeMn and SiMn from 0 to 1.00 wt pct on interfacial properties between these ferroalloys and slags. The effect of experimental parameters such ... -
Metal hydrides for rechargeable batteries
(Dr. ingeniøravhandling, 0809-103X; 2000:30, Doctoral thesis, 2000) -
Metal loss comprehension - metal emulsions in ferromanganese slags
(Master thesis, 2015)Literature review was done on metal in slag emulsions, using the surface phenomena literature in metallurgy as well as the oil and water emulsion broader literature. Several phenomena were found that could extend to the ... -
Metal-producing Mechanisms in the Carbothermic Silicon Process
(Master thesis, 2012)The mechanisms in the carbothermic production of silicon have been examined in this report. Through the investigation of a pilot scale furnace as well as five small scale induction furnace experiments, a better understanding ... -
Metallic Interconnects for Solid Oxide Fuel Cells: High Temperature Corrosion and Protective Spinel Coatings
(Doctoral thesis at NTNU;2016:221, Doctoral thesis, 2016)Metallic Interconnects for Solid Oxide Fuel Cells: Increasing the share of renewable energy is important in the effort to limit global warming. The challenge with increased dependence on renewable energy sources such ... -
Metallic octahedral CoSe2 threaded by N-doped carbon nanotubes: A flexible framework for high-performance potassium-ion batteries
(Journal article; Peer reviewed, 2018)Due to the abundant and low‐cost K resources, the exploration of suitable materials for potassium‐ion batteries (KIBs) is advancing as a promising alternative to lithium‐ion batteries. However, the large‐sized and ... -
A Metallurgical Investigation of the formation of Silver Beads during Cupellation of a 925 0/00 Silver Alloy
(Peer reviewed; Journal article, 2021)In the late 15th century and fi rst half of 16th century, the moneyer in the Archbishop’s Palace in Nidaros (present-day Trondheim) struck coins for the last three Norwegian archbishops of Nidaros in the period AD 1475–1537. ... -
Method for Studying High Temperature Aqueous Electrochemical Systems: A Self-Pressurized Autoclave
(Journal article; Peer reviewed, 2016) -
Method for studying high temperature aqueous electrochemical systems: Methanol and glycerol oxidation
(Journal article; Peer reviewed, 2016)A method for high purity aqueous electrochemical experiments at temperatures above the normal boiling point of water and at temperatures up to 140 °C is described. A three-electrode cell in a self-pressurized glass autoclave ... -
Methodology to analyse small silicon samples by glow discharge mass spectroscopy using thin wafer mask
(Peer reviewed; Journal article, 2015)Glow discharge mass spectrometry (GDMS) is widely used for trace element analysis of bulk solid samples. Thegeometry of the GD source limits the minimum size of the sample, which for the instrument used in this ... -
Methods for K-impregnation of carbon materials and their effect on the CO2 reactivity
(Master thesis, 2022)En veldig stor andel av det norske CO2utslippet kommer som en følge av bruk av fossile karbon materialer i metall produksjon. I den norske mangan (Mn) produksjonen er koks mest brukt til å redusere manganmalmen. Denne ... -
Methods of Oxidation Inhibition for Al-Mg Alloys
(Doctoral theses at NTNU;2019:29, Doctoral thesis, 2019)The oxidation of aluminum will occur at any notable oxygen partial pressure. This oxidation can be favorable as it forms a protective layer on the metal surface which prevents further oxidation. However, the addition of a ... -
Micro cracks in wind turbine bearings Investigation of microstructural characteristics and nanomechanical properties in White Etching Cracks (WEC)
(Master thesis, 2022)De siste tiårene har det vært en økning i verdens produksjonskapasitet fra vind-energi for å nå klima- og energimål. For fortsette å øke produksjonskapasiteten av fornybar energi er det viktig å holde drifts og ... -
A micro fuel cell for abiotical catalysis of glucose
(Peer reviewed; Journal article, 2020)A miniaturised abiotical fuel cell designed for operation inside a physiologically relevant mixed fuel environment of dissolved di-oxygen (DO) and glucose, have been realized by embedding the glucose sensitive anode below ... -
Micro-fluidic flow cells for studies of electrochemical reactions
(Master thesis, 2014)Micro fluidic flow cells (MFFCs) are a relatively new technique for characterization of electrochemical reactions. This work includes both techniques for manufacturing the cells and electrochemical characterization of ...