Blar i Institutt for materialteknologi på tittel
Viser treff 1778-1797 av 2509
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Precipitation hardening in two Al-Mn-Cu-Mg-Si alloys aimed for brazed heat exchangers
(Master thesis, 2019)FA7850 and FA7933 er to forskjellige aluminiumslegeringer med herdingspotensial. Beregninger viser at en høyere andel av herdningspresipitater skal være tilstede i FA7933 enn i FA7850 ved likevekt ved 100 °C. En høyere ... -
Precipitation hardening of a 6082 aluminium alloy upon application of direct electrical current
(Master thesis, 2018)The research deals with the investigation of the precipitation hardening response of a 6082 aluminium alloy with the application of direct electrical current. An experimental setup was designed and built to conduct experiments ... -
Precipitation in an A356 foundry alloy with Cu additions - A transmission electron microscopy study
(Journal article; Peer reviewed, 2019)The influence of different Cu addition levels on the age hardening and precipitation behaviors in an Al356 foundry alloy during artificial aging treatment has been systematically studied. A detailed characterization of the ... -
Precipitation of dispersoids containing Mn and/or Cr in Al-Mg-Si-alloys
(Dr. ingeniøravhandling; 2000:53, Doctoral thesis, 2000) -
Precipitation of Non-Spherical Particles in Aluminum Alloys Part I: Generalization of the Kampmann–Wagner Numerical Model
(Journal article, 2015)Particles precipitated during aging treatments often have non-spherical shapes, e.g., needles or plates, while in the classical Kampmann–Wagner Numerical (KWN) precipitation model, it is assumed that the particles are of ... -
Precipitation, mechanical properties and early slant ductile fracture in cyclic and naturally aged Al-Zn-Mg(-Cu) alloys
(Peer reviewed; Journal article, 2022)Natural and artificial ageing treatments are compared with ageing by cyclic deformation at room temperature. Atom probe tomography and transmission electron microscopy revealed that a fine distribution of GP-zones, was ... -
Precipitation, strength and work hardening of age hardened aluminium alloys
(Journal article; Peer reviewed, 2015)The strength and work hardening of age hardened AA6063 and AA6082 alloys have been investigated in terms of a detailed characterization of precipitate and dislocation structures obtained by TEM and SEM. Tensile and compression ... -
Predicting phase transitions and rotational dynamics in the plastic crystals [(CH3)4N][FeCl4] and [(CH3)4N] [FeBr4] by using ab initio molecular dynamics with machine learned force fields
(Master thesis, 2023)Plastiske krystaller er en ny materialklasse med glimrende piezoelektriske og ferroelektriske egenskaper, i tillegg til å være myke og fleksible grunnet rotasjonsfriheten til molekylene. Dette gjør dem til lovende kandidater ... -
Prediction of mineral scale formation in wet gas condensate pipelines and in meg (mono ethylene glycol) regeneration plants
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:137, Doctoral thesis, 2006)Gas hydrate formation is a serious problem in the oil and gas industry, since its formation can plug wells and prevent production. The gas hydrate is a crystalline solid with a natural gas molecule surrounded by a cage of ... -
Predictive modeling of glass forming ability in the Fe-Nb-B system using the CALPHAD approach
(Journal article, 2017)Accurate values needed for the most commonly used indicators of good Glass Forming Ability (GFA) in alloys, i.e. the liquidus (Tl), crystallization (Tx) and glass transition (Tg) temperatures, are only available after ... -
Preliminary Design and Modeling of a System for Collecting Dead Fish in Offshore Aquaculture
(Bachelor thesis, 2023)Denne bacheloroppgaven tar sikte på å håndtere problemet med innsamling og ensilering av dødfisk ved å utvikle et grunnleggende design for offshore fiskeoppdrett. Dette gjøres ved å best mulig definere driftsforholdene ... -
Preliminary Experimental Study of the Thermal Stability and Chemical Reactivity of the Phosphate-Based Binder used in Al2O3-Based Ceramic Foam Filters (CFFs)
(Journal article; Peer reviewed, 2018)Filtration of liquid aluminium is widely used in the industry for the removal of inclusions, and Ceramic Foam Filters (CFFs) are often the filtration media of choice. It is known that PH3 (phosphine) can be released from ... -
Preliminary Investigations on the Manufacture of Al-AZ31 Bimetallic Composites by the Screw Extrusion Process
(Master thesis, 2013)The development of bimetals, or metallic composites, has in recent years been given increased attention. The motivation behind the development of bimetals is that, by combining two dissimilar metals it is possible to obtain ... -
Preparation and Characterization of Spherical Nickel Silicide Powder by Inductively Coupled Plasma Spheroidization for Additive Manufacturing
(Chapter, 2022)Metal alloy powder with spherical-shaped morphology, high flowability, and packing density is the main requirements for metal-based additive manufacturing (AM). Among metal alloys, nickel silicide is considered as a potential ... -
Preparation and surface modifications on hollow silica nano spheres - Nano- insulation
(Master thesis, 2018)Hollow silica nano spheres (HSNS) were synthesised with the use of polystyrene templates. Based on the polystyrene templates, tetraethyl orthosilicate (TEOS) was hydrolysed and attached on the surface, in either an acidic ... -
Preparation of (La0.8Sr0.2)0.995CoO3-based Inks for Ink-Jet Printing of Thin Films in Solid Oxide Fuel Cells (SOFCs)
(Master thesis, 2017)Lanthanum Strontium Cobalt oxide (LSC) is a mixed ionic-electronic conductor (MIEC) ceramic suited for use as cathode material in Solid Oxide Fuel Cells (SOFCs). Extensive research is conducted on producing the cathode in ... -
Preparation of diboride coatings by electrophoretic deposition in nanoparticle-containing molten inorganic salts
(Peer reviewed; Journal article, 2022)Electrophoretic deposition is a type of significant method for preparing coatings and films, which has been widely investigated in aqueous and organic suspensions. However, electrophoretic deposition in molten inorganic ... -
Preparation of electrocatalysts by reduction of precursors with sodium citrate
(Journal article; Peer reviewed, 2014)In this work synthesis of Pt/C catalysts by reduction of H2PtCl6 with sodium citrate has been investigated. The strong pH-dependence of citrate as a reducing and stabilizing agent has been explored, and an optimum pH range ... -
Preparation of Inks for Inkjet Printing of Thin Films in Solid Oxide Fuel Cells
(Master thesis, 2016)Solid oxide fuel cell technology can achieve high efficiency when producing electric power. To produce these fuel cells with a high quality and a low cost, inkjet printing can be utilized. This technique is highly dependent ... -
Preparation of ZrB<inf>2</inf>coatings by electrophoretic deposition in NaCl-KCl-AlCl<inf>3</inf>molten salts
(Peer reviewed; Journal article, 2022)Fabrication of transition metal diboride coatings via electrophoretic deposition in molten salts has been recently proposed, however, the influence of the process parameters on the coating has not yet been studied extensively. ...