Search for dissertations about: "interfacial strain"

Showing result 1 - 5 of 18 swedish dissertations containing the words interfacial strain.

  1. 1. Micro-mechanical mechanisms for deformation in polymer-material structures

    University dissertation from Stockholm : KTH

    Author : Jessica Strömbro; KTH.; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Length-scale effects; Strain gradient; Moisture change; Humidity change; Network model; Fibre model; Mathematical model; Polymer; Micro-indentation; Particle composite; Interfacial debonding; Matrix cracking; Paper; Mechano-sorptive creep; Accelerated creep; TECHNOLOGY Materials science Other materials science; TEKNIKVETENSKAP Teknisk materialvetenskap Övrig teknisk materialvetenskap;

    Abstract : In this thesis, the focus has been on micro-mechanical mechanisms in polymer-based materials and structures. The first part of the thesis treats length-scale effects on polymer materials. Experiments have showed that the smaller the specimen, the stronger is the material. READ MORE

  2. 2. Microstructural evolution of thin epitaxial Perovskite films

    University dissertation from Chalmers University of Technology

    Author : Lars Ryen; Chalmers tekniska högskola.; Chalmers tekniska högskola.; Chalmers University of Technology.; [1997]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; microstructure; TEM; HREM; thin film; perovskite; YBa2Cu3O7-x; SrTiO3; misfit dislocation; interfacial strain; filmm growth; superlattice;

    Abstract : .... READ MORE

  3. 3. Exploring Biopolymer-Clay Nanocomposite Materials by Molecular Modelling

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Yan Wang; KTH.; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; bio-nanocomposite; interfacial mechanism; binding affinity; dimensional stability; counterions; hydration; stress-strain behavior; xyloglucan; chitosan; chitin; molecular dynamics; montmorillonite.; 生物复合材料,界面机理,分子间亲和力,材料尺寸稳定性,抗衡离子,水合作用,应力应变表现, 木葡聚糖,壳聚糖,甲壳素,分子动力学模拟,蒙脱土; bio-nanokompositer; gränsytor; affinitet; dimensionsstabilitet; jonhydrering; spännings-töjningsbeteende; xyloglukan; kitosan; kitin; molekyldynamisk; montmorillonit.; Kemi; Chemistry; Fiber- och polymervetenskap; Fibre and Polymer Science; Materials Science and Engineering; Teknisk materialvetenskap;

    Abstract : In this thesis, bio-nanocomposites made from two alternative biopolymers and montmorillonite (Mnt) clay have been investigated by molecular modelling. These biopolymers are xyloglucan (XG) and chitosan (CHS), both of which are abundant, renewable, and cost-effective. READ MORE

  4. 4. Durability of Embedded Fibre Optic Sensors in Composites

    University dissertation from Institutionen för flygteknik

    Author : Klas Levin; KTH.; [2001]
    Keywords : composites; fibre optic sensor; embedded EFPI sensor; bragg grating sensor; durability. Fatique; impact strain measurement;

    Abstract : This thesis concerns various aspects of the durability offibre optic sensors embedded in composite. Since repair orreplacement of embedded sensors is not generally possible, thefunctional reliability of embedded sensors is one of the mostimportant prerequisites for successful use. READ MORE

  5. 5. Matrix and interface effects on microcracking in polymer composites

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Anders Sjögren; [1997]
    Keywords : Polymeric Composite Materials; Polymera konstruktionsmaterial;

    Abstract : An underlying industrial problem for the present work is leakage of pressure vessels. Fluid leakage was confirmed to take place along a path of connected microcracks and delaminations. The thesis is concerned with the micromechanisms for microcracking studied by in-situ optical microscopy of cross-ply laminates. READ MORE