Sökning: "neutron diffraction"

Visar resultat 16 - 20 av 129 avhandlingar innehållade orden neutron diffraction.

  1. 16. Synthesis, Properties and Bonding in Hume-Rothery Transition-metal Gallides and Indides

    Författare :Per Viklund; Centrum för analys och syntes; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Material technology; Kemi; Chemistry; Bonding; Structural stability; Electronic-structure; Neutron diffraction; X-ray diffraction; Atomic Structure; Intermetallics; Hume--Rothery; Materiallära; materialteknik; Chemical technology and engineering; Kemiteknik och kemisk teknologi;

    Sammanfattning : In this work the intermetallic systems formed by transition-metals from group 5 to 9 with Ga, In and Zn have been experimentally and theoretically studied in detail. Syntheses, compositional analyses, X-ray and neutron diffraction (single crystal as well as powder) and measurements of physical properties, e.g. LÄS MER

  3. 17. Light-Metal Hydrides for Hydrogen Storage

    Författare :Martin Sahlberg; Yvonne Brandt Andersson; Björgvin Hjörvarsson; Björn Hauback; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Metal-hydrogen compounds; hydrides; hydrogen storage; X-ray diffraction; neutron diffraction; thermal desorption spectroscopy; Chemistry; Kemi; Inorganic chemistry; Oorganisk kemi; Inorganic Chemistry; oorganisk kemi;

    Sammanfattning : Demands for zero greenhouse-gas emission vehicles have sharpened with today’s increased focus on global warming. Hydrogen storage is a key technology for the implementation of hydrogen powered vehicles. LÄS MER

  4. 18. The zinc group tungstate scintillators : growth, structures and properties

    Författare :Magnus Åsberg Dahlborg; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; scintillators; CdWO4; single crystals; HgWO4; flux growth; X-ray diffraction; AnWO4; neutron diffraction; tungstates;

    Sammanfattning : .... LÄS MER

  5. 19. Heterogeneous deformation of multi-phase engineering materials - an in-situ neutron diffraction study

    Författare :Nitesh Raj Jaladurgam; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Eutectic high entropy alloys; in-situ neutron diffraction; Deformation mechanisms; Superalloys; Electron microscopy;

    Sammanfattning : Gas turbines are complex power generation systems used in aerospace or land-based-power stations. Materials such as Ni-base superalloys are involved in the combustion zone of these machines, which continuously experiences harsh environments with loading at high temperatures. LÄS MER

  7. 20. In-situ phase studies of the Zr-H system

    Författare :Tuerdi Maimaitiyili; Malmö högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Zirconium hydride; synchrotron X-ray diffraction; neutron diffraction; phase transformation; in-situ hydrogen charging; hydrogen related degradation; in situ phase transformation; hydrogen embrittlement; hydrogen charging; zirconium hydride; γ-ZrH; synchrotron X-ray diffraction; neutron diffraction; hydrogen induced degradation;

    Sammanfattning : Zirconium alloys are widely used in the nuclear industry because of their high strength, good corrosion resistance and low neutron absorption cross-section. However, zirconium has strong affinity for hydrogen, which may lead to hydrogen concentration build-up over time during a corrosion reaction when exposed to water. LÄS MER