Search for dissertations about: "hybrid composite"

Showing result 1 - 5 of 61 swedish dissertations containing the words hybrid composite.

  2. 1. Conventional, microfilled and hybrid composite resins : laboratory and clinical evaluations

    Author : Jan W. V. van Dijken; Torild Ericson; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; composite resin; caries; gingivitis;

    Abstract : Three types of composite resins, classified as conventional, microfilled and hybrid resins were compared with respect to surface characteristics, effect on the gingival margin, marginal adaptation and clinical durability in anterior cavities.The surface characteristics were studied in in vitro systems by means of scanning electron microscopy. READ MORE

  4. 2. Nanofibrillar Materials for Organic and Printable Electronics

    Author : Ana Lopez Cabezas; Li-Rong Zheng; Shi-Li Zhang; Zhi-Bin Zhang; Donald Lupo; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Organic electronics; polyaniline; carbon nanotubes; composite; spray coating; solution processability; morphology; electrical conductivity; ageing; sensor; system integration;

    Abstract : In recent years, organic electronics have attracted great attention due to their multiple advantages such as light weight, flexibility, large area fabrication and cost-effective production processes. The recent progress in fabricating organic electronic devices has been achieved with the development of new materials which provide competing functionalities to the electronics devices. READ MORE

  5. 3. Numerical stress analysis in hybrid adhesive joint with non-linear materials

    Author : Nawres Al-Ramahi; Roberts Joffe; Janis Varna; Rickard Östlund; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Polymeric Composite Materials; Polymera kompositmaterial;

    Abstract : This thesis presents systematic numerical study of stresses in the adhesive of a single-lap joint subjected to various loading scenarios (mechanical and thermal loading). The main objective of this work is to improve understanding of the main material and geometrical parameters determining performance of adhesive joint for the future analysis of failure initiation and development in these structures. READ MORE

  6. 4. Joining of Carbon Fibre Reinforced Plastics for Automotive Applications

    Author : Gordon Kelly; KTH; []
    Keywords : Composite; laminate; bearing strength; joining; load introduction; hybrid joint; finite element analysis; mechanical testing;

    Abstract : The introduction of carbon-fibre reinforced plastics in loadbearing automotive structures provides a great potential toreduce vehicle weight and fuel consumption. To enable themanufacture and assembly of composite structural parts,reliable and cost-effective joining technologies must bedeveloped. READ MORE

  7. 5. Hybrid materials for lithium-ion batteries

    Author : Cesario Ajpi Condori; Göran Lindbergh; Anders Lundblad; Andrew Kentaro Inge; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Hybrid battery materials; conducting polymer composite; metal organic compounds; lithium-ion batteries.; Kemi; Chemistry; Chemical Engineering; Kemiteknik;

    Abstract : The Lithium‐ion batteries are the most important power source for electronic devices as electronics, storage and the different electric vehicles. The research and development of new materials for different applications has increased, especially in the development of materials with better electrochemical properties (Specific capacity, rate capability, high energy density and cyclability). READ MORE