Sökning: "glass structure"

Visar resultat 21 - 25 av 179 avhandlingar innehållade orden glass structure.

  1. 21. Structure-Property Relationships of Surfactants at Interfaces and Polyelectrolyte-Surfactant Aggregates

    Författare :Mikael Kjellin; KTH; []
    Nyckelord :nonionic surfactant; sugar surfactant; poly ethylene oxide ; amide; ester; polyelectrolyte; SDS; hydrophobic surface; glass surface; mica; adsorption; aggregation; micelle size; surface forces; wetting; dynamic surface tension; NMR; TRFQ; SANS; SAXS; ;

    Sammanfattning : The first part of this thesis is concerned with thestructure-property relationships in nonionic surfactantsystems. The main aim was to investigate how the surfactantstructure influences the adsorption at interfaces andinteractions between surfactant coated interfaces. LÄS MER

  3. 22. Redox reactions and structure - properties relations in mixed alkali/alkaline earth glasses : The role of antimony oxides during the fining process- A structural study of copper(I) and copper(II)

    Författare :Lina Grund Bäck; Bo Jonson; Leena Hupa; Linnéuniversitetet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fining; oxygen activity; redox reactions; mixed alkali effect; mixed alkali silicate glasses; copper; antimony; Glasteknologi; Glass Technology;

    Sammanfattning : It is important to optimize glass compositions for their specific purpose but also for the efficiency of the production process, the manufacturing of glass. This will be beneficial economically and environmentally. LÄS MER

  4. 23. Structure and Thermoelectric Properties of Type-I Clathrates Ba8(AlxGa1−x)16Ge30

    Författare :Yifei Zhang; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Microstructure; Crystal structure; Transport properties; Thermoelectrics; Clathrates;

    Sammanfattning : Thermoelectric materials enable the direct conversion between a thermal gradient and an electrical potential gradient, and can thus be exploited for electricity generation. One of the promising thermoelectric materials is type-I clathrates. LÄS MER

  5. 24. Local structure in disordered materials studied by neutron scattering and RMC modelling

    Författare :Liselotte Karlsson; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Nuclear physics; Local structure; neutron scattering; RMC modelling; metallic glasses; high Tc; superconductors; fast ion conductors; Kärnfysik; Nuclear physics; Kärnfysik; Physics Of Matter; materiefysik;

    Sammanfattning : Different disordered materials are becoming more and more important in various technological applications. There is a need to improve our detailed understanding of the local structure of such materials and how the atomic structure is related to macroscopic physical properties. LÄS MER

  7. 25. Strength Design Methods for Laminated Glass

    Författare :Maria Fröling; Institutionen för byggvetenskaper; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : In this thesis, methods for efficiently determining stresses in laminated glass structures are developed and tested. The laminated glass structures comprise both bolted and adhesive joints. A recently developed finite element is suggested to be suitable for the modeling of laminated glass structures. The element is implemented and tested. LÄS MER