Sökning: "β-phase"

Visar resultat 1 - 5 av 21 avhandlingar innehållade ordet β-phase.

  1. 1. Computational Studies of Poly(vinylidene fluoride)

    Författare :Martin Bohlén; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; β-phase; Piezoelectricity; PVDF; Molecular modeling;

    Sammanfattning : Poly(vinylidene fluoride) (PVDF) is a versatile material with numerous applications, both potential and realized, in many industrial sectors. The extent of applications, ranging from cable and wire products, to sensors for the monitoring of respiration and heart-rate in medicine, indicates on the level of interest the materials science community has for this material. LÄS MER

  3. 2. Melt spinning of poly(vinylidene fluoride) mono- and bicomponent fibres and yarns : the formation of piezoelectric beta-phase crystallinity

    Författare :Anja Lund; Högskolan i Borås; []
    Nyckelord :fibres; PVDF; Textilteknologi;

    Sammanfattning : The present study investigates the possibilities of manufacturing piezoelectric polymer fibres or yarns for integration into textile materials. The polymers known to give the strongest piezoelectric effects are poly(vinylidene fluoride) (PVDF) and some of its copolymers. LÄS MER

  4. 3. Towards the production of conductive and piezoelectric bicomponent textile fibres

    Författare :Erik Nilsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; polypropylene; Graphite nanoplatelets; bi-component fibres; rheology; conductive fibres; carbon black; PVDF; electrical conductivity; piezoelectric fibres; melt spinning;

    Sammanfattning : In the present study electrical conductive and piezoelectric textile fibres have been manufactured and characterized. Potential applications of these fibres are for example textiles with heating and sensor properties. LÄS MER

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

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

    Sammanfattning : 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. LÄS MER

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

    Författare :Safdar Adnan; Malmö högskola; []
    Nyckelord :EBM; Ti-6Al-4V;

    Sammanfattning : 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. LÄS MER