Search for dissertations about: "Widmanstätten α"

Found 4 swedish dissertations containing the words Widmanstätten α.

  2. 1. Nucleation and growth of martensite in steel

    Author : Annika Borgenstam; KTH; []
    Keywords : martensite; Fe-alloys; α-martensite; athermal martensite; isothermal martensite; plate martensite; lath martensite; nucleation; growth; thermodynamics; plateau temperature; driving force; activation energy; bainite; Widmanstätten α; diffusive mechanism; displacive mechanism; ε-martensite; TECHNOLOGY; TEKNIKVETENSKAP;

    Abstract : .... READ MORE

  4. 2. Microstructures and surface roughness of EBM produced Ti-6Al-4V

    Author : Safdar Adnan; Malmö högskola; []
    Keywords : EBM; Ti-6Al-4V;

    Abstract : The work presented in this dissertation is concerned with the microstructures andsurface roughness of test slabs of Ti-6Al-4V produced by one of powder based AdditiveManufacturing (AM) technique namely Electron Beam melting (EBM). The effects of processparameters of a EBM system and geometry factors of a EBM build such as slabs’ thickness andheight etc. READ MORE

  5. 3. Environment Related Surface Phenomena and their Influence on Properties of Ti-6Al-4V and Ti-6Al-2Sn-4Zr-2Mo : Oxidation at Elevated Temperature and Corrosion During Chemical Treatment

    Author : Birhan Sefer; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materialteknik; Engineering Materials;

    Abstract : This doctoral thesis covers investigation of the surface phenomena of Ti-6Al-4V and Ti-6Al-2Sn-4Zr-2Mo alloys related with oxidation at elevated temperature and corrosion duringchemical treatment in hydrofluoric-nitric acid (HF/HNO3) solutions. The explored phenomenaare related to manufacturing and service conditions of aero-engine components. READ MORE

  6. 4. A study on Electron Beam Melted Ti-6Al-4V

    Author : Adnan Safdar; Hållfasthetslära; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Ti-6Al-4V; Electron beam melting; Microstructures; Surface roughness; phase filed modelling.;

    Abstract : The work presented in this dissertation is concerned with the microstructures and surface roughness of test slabs of Ti-6Al-4V produced by one of powder based Additive Manufacturing (AM) technique namely electron beam melting (EBM). The effects of process parameters of a EBM system and geometry factors of a EBM build such as slabs’ thickness and height etc. READ MORE