Search for dissertations about: "surface force"

Showing result 1 - 5 of 582 swedish dissertations containing the words surface force.

  1. 1. Surface Force and Friction : effects of adsorbed layers and surface topography

    Author : Xiaoyan Liu; Per Claesson; Bjorn Torger Stokke; KTH; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; Friction; nanotribology; surface forces; diblock copolymer; lipid; QCM-D; AFM; optical reflectometry; neutron reflectivity; X-ray reflectivity; micro-patterned surface; Kemi; Chemistry;

    Abstract : Interfacial features of polymers are a complex, fascinating topic, and industrially very important. There is clearly a need to understand interactions between polymer layers as they can be used for controlling surface properties, colloidal stability and lubrication. The aim of my Ph. READ MORE

  2. 2. Surface interactions and adsorbate structures : An atomic force microscopy study

    Author : Goran Bogdanovic; KTH; []
    Keywords : atomic force microscope; AFM; cantilever calibration; colloidal probe; surface force; force curve; friciton; hydrophobic; adhesion; roughness; multilayer; silica; cellulose; cationic polyelectrolyte; MAPTAC;

    Abstract : Atomic force microscopy, AFM, was used for studying somecurrent topics in the field of surface and colloid science. Themain topics addressed in this thesis were: the nature of thelong-range attraction between hydrophobic surfaces; slidingfriction behavior for microscopic contacts; and interfacialstructuring of polyelectrolyte-nanoparticle multilayerfilms. READ MORE

  3. 3. Hydrophobic surfaces: Effect of surface structure on wetting and interaction forces

    Author : Petra M Hansson; Per M. Claesson; Agne Swerin; Adam C Simonsen; KTH; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; hydrophobic surface; superhydrophobic surface; atomic force microscopy; surface forces; capillary forces; cavitaion; surface roughness; friction; wetting; confocal Raman; contact angles; surface preparation; Langmuir-Blodgett;

    Abstract : The use of hydrophobic surfaces is important for many processes both in nature and industry. Interactions between hydrophobic species play a key role in industrial applications such as water-cleaning procedures and pitch control during papermaking but they also give information on how to design surfaces like hydrophobic mineral pigments. READ MORE

  4. 4. Photochemical Surface Functionalization : Synthesis, Nanochemistry and Glycobiological Studies

    Author : Lingquan Deng; Olof Ramström; Javier Rojo; KTH; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Carbohydrates; Glycobiology; Carbohydrate-protein interactions; Perfluorophenylazide PFPA ; Photochemistry; Carbohydrate surface immobilization; Carbohydrate microarrays; Surface plasmon resonance SPR ; Quartz crystal microbalance QCM ; Atomic force microscopy AFM ; Glyconanomaterials; Concanavalin A Con A ; Cyanovirin-N CV-N ; 1-Glycosyl thiols; Mutarotation; 1-S-glycosylation; Stereocontrol;

    Abstract : This thesis mainly deals with the development of photochemical approaches to immobilize carbohydrates on surfaces for glycobiological studies. These approaches have been incorporated into a number of state-of-the-art nanobio-platforms, including carbohydrate microarrays, surface plasmon resonance (SPR), quartz crystal microbalance (QCM), atomic force microscopy (AFM), and glyconanomaterials. READ MORE

  5. 5. Gas Metal Arc Melt Pool Modelling : Effect of welding position and electromagnetic force mode

    Author : Pradip Aryal; Isabelle Choquet; Högskolan Väst; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Gas metal arc welding; Gravitational force; Substrate orientation; Electromagnetic force modelling; Free surface deformation; Computational Fluid Dynamics; OpenFOAM; Gasmetallbågsvetsning; Gravitation; Svetsläge; Elektromagnetisk kraftmodellering; Smältytans rörelser; Computational Fluid Dynamics; OpenFOAM; Production Technology; Produktionsteknik;

    Abstract : Gas metal arc is a high-efficiency and widely used heat source for metal processing applied predominantly in welding and additive manufacturing. In this study, it was applied to welding. READ MORE