Blar i Institutt for materialteknologi på emneord "VDP::Technology: 500::Materials science and engineering: 520"
Viser treff 1-20 av 110
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Alternative Li-ion Cathodes based on Transition Metal Orthosilicates
(Doctoral thesis at NTNU;2016:57, Doctoral thesis, 2016)The aspiration of today’s society to become independent from crude oil and nuclear power led to a rapid growth of renewable energy production. Unfortunately, the majority of these energy sources are discontinuous and require ... -
Aluminium Recycling Pre-treatments: Compaction and Thermal De-coating
(Doctoral theses at NTNU;2024:103, Doctoral thesis, 2024)Due to their light weight and versatility, aluminium alloys are found everywhere around us, from food packaging to aerospace applications. Aluminium recycling saves substantial amounts of energy, resources, and waste ... -
Assessment and Validation of the Engineering Performance of Central Venous Catheters (CVCs) and the Impact of Hemocompatible Thin Film Coatings
(2022:338;2022:338, Doctoral thesis, 2022)Biomaterials used in implanted medical devices must fulfil a stringent set of requirements, and both the bulk - and the surface properties of a device material must be considered when evaluating the engineering performance ... -
Atomic origins of dendrite formation on alkali and earthalkali metal surfaces
(Doctoral theses at NTNU;2021:313, Doctoral thesis, 2021)"The Li-ion rechargeable battery has been paramount in the on-going transition from a fossil- to a renewable energy-based society, but the state-of-the art Li-ion battery with a graphite anode is approaching its limit with ... -
Atomistic modelling of Fe-Al and α-AlFeSi intermetallic compound interfaces
(Doctoral theses at NTNU;2020:86, Doctoral thesis, 2020)The joining of aluminum and steel has been considered an efficient solution for building light-weight technology, particularly in the automotive, aerospace and shipbuilding industries. It is an immense challenge to join ... -
Barrier Oxide Growth and Dissolution on Aluminium in Aqueous Media
(Doctoral theses at NTNU;2016:326, Doctoral thesis, 2016)The oxide formed during anodization of aluminium has been a subject of attention since the beginning of the 20th century, due to its protective properties. The oxide consists of two layers, a dense layer adjacent to the ... -
Bipolar Plates for PEM Systems
(Doctoral thesis at NTNU;2016:247, Doctoral thesis, 2016)Summary of thesis: The Bipolar Plate (BPP) is an important component in both Proton Exchange Membrane Fuel Cells (PEMFCs) and Proton Exchange Membrane Water Electrolyzers (PEMWEs). Bipolar plate material and processing ... -
Boron removal from silicon by steam and hydrogen
(Doctoral thesis at NTNU;2015:268, Doctoral thesis, 2015)Solar cells are among the most promising technologies for development of sustainable power generation in terms of environmental impact and resource availability, and crystalline silicon cells dominate the present market ... -
Bubble Phenomena and Bubble Properties for Different Carbon Anodes in Cryolite Melt
(Doctoral theses at NTNU;2022:333, Doctoral thesis, 2022)This doctoral work is an experimental laboratory scale study of the effect of anode geometry, anode orientation and carbon anode material on bubble behavior and bubble properties in cryolite melt. The increased knowledge ... -
Bulk Metallic Glasses: Deformation and Design
(Doctoral theses at NTNU;2019:43, Doctoral thesis, 2019)Bulk metallic glasses are a group of alloys with amorphous atomic structure. When these alloys cool sufficiently fast, the atoms will “freeze” in the chaotic structure of the melt, rather than form crystals like most metals. ... -
Cathode Wear in Aluminium Electrolysis Cells
(Doctoral theses at NTNU;2019:317, Doctoral thesis, 2019)The increasing global demand for aluminium has resulted in growing production of aluminium metal through increased production capacity and improvement of the electrolysis technology. This has caused a development towards ... -
Ceramic Foam Filters (CFFs) for Aluminium Melt Filtration - Stability, Compression, and Performance
(Doctoral theses at NTNU;2022:260, Doctoral thesis, 2022)During aluminium production, the molten aluminium will necessarily include a certain amount of impurities, including non-metallic inclusions, i.e., solid objects immersed in the melt. These inclusions are known to be ... -
CHARACTERISATION OF IRIDIUM OXIDE BY SCANNING PROBE, ELECTROCHEMICAL, AND PHOTOELECTROCHEMICAL METHODS
(Doctoral thesis at NTNU;2015:215, Doctoral thesis, 2015) -
Coke Impurity Characterisation and Electrochemical Performance of Carbon Anodes for Aluminium Production
(Doctoral theses at NTNU;2019:352, Doctoral thesis, 2019)The aluminium production process uses consumable carbon anodes made from calcined petroleum cokes, recycled anode butts and coal tar pitch. The main ingredient is the coke, a side product from the petroleum refining industry. ... -
Colloidal Synthesis of Ni-based Nanoparticles as Catalysts for Alkaline Water Electrolysis
(Doctoral theses at NTNU;2021:146, Doctoral thesis, 2021) -
A Computational Investigation of Rechargeable Magnesium Batteries and MXenes
(Doctoral theses at NTNU;2021:396, Doctoral thesis, 2021)Rechargeable batteries are playing an ever important role in the transition to a renewable energy based society. As of today, it is the Li-ion battery which dominates the market for high performance batteries in almost all ... -
Cost-effective electrodes for alkaline water electrolysis
(Doctoral theses at NTNU;2022:16, Doctoral thesis, 2022)Green hydrogen production using water electrolysis has potential to be the key component in storing and coupling renewable energy to the transportation and chemical sectors. Alkaline water electrolysis offers a relatively ... -
Cryogenic temperature deformation behaviour of two Al-Mg-Si alloys
(Doctoral theses at NTNU;2017:11, Doctoral thesis, 2017)A comprehensive study was carried out to clarify the effects of cryogenic temperature on mechanical properties and microstructure of two peak-aged Al-Mg-Si profiles, i.e., fully recrystallized AA6060 and fibrous AA6082. ... -
Defect-impurity interactions in high performance multicrystalline silicon
(Doctoral theses at NTNU;2018:339, Doctoral thesis, 2018)Defect-impurity interactions in high performance multicrystalline silicon The global average and combined land and ocean surface temperature is steadily rising for the last several decades. About 97% of climate scientists ... -
Degradation mechanisms of AA 1350 aluminium alloy conductor strands in air and chloride solution
(Doctoral theses at NTNU;2020:170, Doctoral thesis, 2020)The primary aim of this doctoral thesis is to investigate the degradation mechanisms contributing to the failure of the aluminium strand material (AA 1350) used in steel reinforced aluminium conductors. These conductors ...