Essays about: "DICTRA"

Showing result 1 - 5 of 10 essays containing the word DICTRA.

  1. 1. Effect of Trace Elements on the Particle Size of Magnesium Silicide in Aluminium Extrusion : The Use of Thermo-Calc and DICTRA in order to Produce Aluminium more Efficiently

    University essay from KTH/Materialvetenskap

    Author : Gustav Boustedt; Johan Alexander Valentin Nygren; Gustav Strandgård; [2023]
    Keywords : Thermo-Calc; DICTRA; simulations; EN AW 6082; extrusion; particle precipitation; Mg2Si; sustainable; trace elements; aluminium;

    Abstract : This project is a feasibility study for Hydro Extrusion Sweden AB, a company that produces extruded aluminium profiles. The main purpose of this project was to analyse the difference of Mg2Si particle sizes in aluminium alloys when varying parameters, such as cooling rate and composition, in aluminium extrusion, particularly the EN AW 6082 alloy. READ MORE

  3. 2. Linkage of Macro- and Micro-scale Modelling Tools for Additive Manufacturing

    University essay from KTH/Materialvetenskap

    Author : Julia Sjöström; [2020]
    Keywords : Maraging steel; selective laser melting; temperature evolution; macro-scale modelling; segregation; ICME.;

    Abstract : Additive manufacturing methods for steel are competing against commercial production in an increasing pace. The geometry freedom together with the high strength and toughness due to extreme cooling rates make this method viable to use for high-performance components. The desirable material properties originate from the ultrafine grain structures. READ MORE

  4. 3. High temperature corrosion in exhaust application for heavy-duty trucks

    University essay from KTH/Materialvetenskap

    Author : Alice Moya; [2019]
    Keywords : high temperature corrosion; austenitic steel; cast iron; cast steel; oxidation; exhaust gas; engine; heavy-duty trucks;

    Abstract : Increasing awareness of environmental protection has made both governments and the industry aim for lowering carbon dioxide emissions. For the transport industry this means increasing engine efficiency, replacing fossil fuels with bio-based fuels or full electrification. READ MORE

  5. 4. Aging of FeCrAl Surface Coatings

    University essay from KTH/Materialvetenskap

    Author : Fadi Alsaifi; [2019]
    Keywords : Coating surface; FECRAL alloys; overlay welding; hvaf; thermal spraying; porosity; oxidation; corrosion MIG; TIG; HVOF;

    Abstract : This Thesis is about the aging of FECRAL surface coatings. In this thesis various substrates have been investigated such as 16 Mo3, 304, 347, Sanicro 31, 800HT, Nikrothal 80 and Kanthal APMT. READ MORE

  6. 5. Solidification Modeling of Microsegregation

    University essay from KTH/Materialvetenskap

    Author : Souzan Hammadi; [2018]
    Keywords : Solidification; casting; microsegregation; Thermo-Calc; DICTRA;

    Abstract : A phase transformation from liquid to solid phase takes place when the material solidifies. Limited diffusion during this phase transition causes microsegregation, which is aphenomenon during solidification that leads to the formation of secondary phases andconcentration gradients. READ MORE