Essays about: "Åldring"

Showing result 16 - 20 of 27 essays containing the word Åldring.

  1. 16. Investigating the Possibilities of Using a Handheld FTIR-Equipment to Characterize Thermal Aging of Rubbers

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Antonia Tengbom; [2020]
    Keywords : Handheld FTIR; rubber; thermal aging; natural rubber; nitrile butadiene rubber; Handhållen FTIR; gummi; termisk åldring; naturgummi; nitrilbutadien- gummi;

    Abstract : Element Materials Technology in Linköping is an independent material testing company that performs testing of materials to several big sectors, such as the Swedish Armed Forces and the aerospace industry. There is of great importance to characterize aging of materials to ensure material performance. READ MORE

  3. 17. Aging of FeCrAl Surface Coatings

    University essay from KTH/Materialvetenskap

    Author : Fadi Alsaifi; [2019]
    Keywords : Coating surface; FECRAL alloys; overlay welding; hvaf; thermal spraying; porosity; oxidation; corrosion MIG; TIG; HVOF;

    Abstract : This Thesis is about the aging of FECRAL surface coatings. In this thesis various substrates have been investigated such as 16 Mo3, 304, 347, Sanicro 31, 800HT, Nikrothal 80 and Kanthal APMT. READ MORE

  4. 18. Flexural strength of zirconia after grinding, using diamond burrs, silicon carbide burr and water-cooling

    University essay from Malmö universitet/Odontologiska fakulteten (OD)

    Author : Markus Rosensvärd; David Danneker; [2019]
    Keywords : Zirconia; ytzp; grinding; zirconium; aging; Strength;

    Abstract : SyfteSyftet med föreliggande studie är att undersöka om slipning av zirkonia med silikatkarbid, diamant, vattenkylning, höghastighetsturbin och låghastighetshandstycke påverkar böjhållfastheten hos zirkonia.Material och metodFemtio provkroppar av yttriumoxidstabiliserad tetragonal zirkonia framställdes med CAD/CAM. READ MORE

  5. 19. Dynamic transformers rating for expansion of expansion of existing wind farms

    University essay from KTH/Elektroteknisk teori och konstruktion

    Author : Oscar David Ariza Rocha; [2019]
    Keywords : Dynamic transformer rating; wind energy; loss of life; wind farm expansion;

    Abstract : Distribution system operators face the challenge to connect users rapidly to the grid and the opportunity to reduce costs for new connections. A method to enhance network operation and planning is dynamic transformer rating (DTR), which considers load and temperature variations to increase the rating of the transformer while maintaining in safe operation. READ MORE

  6. 20. Detection of lithium plating in lithium-ion batteries

    University essay from KTH/Kemiteknik

    Author : Carl Johan Björkman; [2019]
    Keywords : Lithium plating; Batteries; Battery monitoring; Battery charging; Battery ageing; Litiumplätering; Batterier; Batteriövervakning; Batteriladdning; Batteriåldring;

    Abstract : With an increasing demand for sustainable transport solutions, there is a demand for electrified vehicles. One way to store energy on board an electrified vehicle is to use a lithium-ion battery (LIB). This battery technology has many advantages, such as being rechargeable and enabling reasonably high power output and capacity. READ MORE