Sökning: "Interfacial tension"

Visar resultat 21 - 25 av 51 avhandlingar innehållade orden Interfacial tension.

  1. 21. Equilibrium and Kinetic Considerations in Refining of Silicon

    Författare :Jesse Franklin White; Sichen Du; Kenneth Coley; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The purity requirements for photovoltaic-grade (PV) silicon are very stringent. In PV applications, purified silicon is either doped with boron or phosphorous, so the levels of these particular elements have to be tightly controlled. LÄS MER

  3. 22. Fiber push-out testing of sapphire fiber alumina matrix composites

    Författare :David Le Pagne; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Material Mechanics; Materialmekanik;

    Sammanfattning : A current area of international research and development concerns composite materials consisting of oxides reinforced with continuous oxide fibers. These materials have an inherent resistance to oxidation and therefore have potential as structural materials for applications at extremely high temperatures. LÄS MER

  4. 23. Mechanical characterization and modelling of the fracture behaviour of thin brittle coatings on polymer films

    Författare :Marcus Vinícius Tavares da Costa; E. Kristofer Gamstedt; Christoph Kirchlechner; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Brittle coating; Polymer substrate; Crack density; Weibull distribution; SEM; Digital image correlation; Finite element modelling; Energy release rate;

    Sammanfattning : Thin brittle coatings with thickness of a few nanometres deposited on flexible polymer substrates form an interesting material combination for food packaging and flexible electronics. This combination may enhance the barrier performance in carton packages. In flexible electronics, coatings could conduct electricity despite their small thickness. LÄS MER

  5. 24. Formation of oxide-inclusions by ladle glaze and a preliminary examination on the possibility of inclusion seperation by bubble floatation

    Författare :Nagendra Tripathi; KTH; []
    Nyckelord :oxide inclusions; ladle metallurgy; ladle glaze; inclusion population; ladle age;

    Sammanfattning : The present work was to study the role of ladle glaze as apotential supplier of inclusions to the steel melt during theladle refining process. In this study, the total number ofinclusions at the beginning and at the end of the ladletreatment process was found to be increasing with ladle age,which is the number of heats, the ladle being used. LÄS MER

  7. 25. Applications of Molecular Dynamics in Atmospheric and Solution Chemistry

    Författare :Xin Li; Hans Ågren; Ari Laaksonen; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Theoretical chemistry; Teoretisk kemi;

    Sammanfattning : This thesis focuses on the applications of molecular dynamics simulation techniques in the fields of solution chemistry and atmospheric chemistry. The work behind the thesis takes account of the fast development of computer hardware, which has made computationally intensive simulations become more and more popular in disciplines like pharmacy, biology and materials science. LÄS MER