Sökning: "Characterisation"

Visar resultat 1 - 5 av 245 uppsatser innehållade ordet Characterisation.

  1. 1. ENVIRONMENTAL RADIOLOGICAL STUDIES OF KVARNTORPSHÖGEN Dose and Radiological Risk Assessments for Humans and Biota


    Författare :Felicia Hultqvist; [2021-04-06]
    Nyckelord :Medical physics; NORM; TENORM; Shale ash; Uranium; Polonium; Radiological risk; Humans; Biota;

    Sammanfattning : Background: The pile Kvarntorpshögen and the lakes Surpölen and Norrtorpssjön are the remains of an industry which mined and processed oil shales to extract oil during World War II. The pile mainly consists of shale ash, a waste from the production, while the lakes are nowadays water-filled mining pits. LÄS MER

  2. 2. Characterisation of additively manufactured Inconel 718 alloy by using electrolytic extraction

    Kandidat-uppsats, KTH/Materialvetenskap

    Författare :Leyla Koort; Viktoria Sutorius Trollbäck; [2021]
    Nyckelord :;

    Sammanfattning : The formation of non-metallic inclusions (NMIs) are common in all steel grades and it is not possible  as  of  today  to  be able  to  remove  all  of them.  The  inclusions  are  categorised  into endogenous (oxides, nitrides, sulfides, carbides, and phosphides), and exogenous (entrapment of  nonmetals:  slag, mold). LÄS MER

  3. 3. Low-dimensional Magnetism in Novel 2D Honeycomb Materials

    Master-uppsats, KTH/Tillämpad fysik

    Författare :Sebastian Johnsen; [2021]
    Nyckelord :Applied physics; Materials physics; Quantum materials; Magnetism; Muons; Neutrons; Tillämpad fysik; Materialfysik; Kvantmaterial; Magnetism; Myoner; Neutroner;

    Sammanfattning : A Kitaev quantum spin liquid is a phase of matter predicted to host excitations that can be used to preform fault-tolerant quantum computation. Though the theoretical prediction of such a state is on firm footing, its realisation in real materials has proven to be elusive. LÄS MER

  4. 4. Development Of Bio-Based Thermosetting Resins

    Master-uppsats, Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Författare :Snehaben Gaurangkumar Mistry; [2021]
    Nyckelord :Bio-based polymer; Resin; lactide; lactone; isosorbide; butanediol; polymerisation; characterisation; FTIR; NMR; TGA; DMA;

    Sammanfattning : Thermoset polymers are widely used polymers in the world, but Increase in global plastic pollution and lack of fossil fuel stimulates intense research towards environmentally sustainable materials. Bio-based unsaturated polyesters (UPs) would be an excellent solution to replace oil-based synthetic polyesters. LÄS MER


    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Byggnadsmekanik; Lunds universitet/Institutionen för byggvetenskaper

    Författare :Emil Nilsson; [2021]
    Nyckelord :CLT; cross laminated timber; in-plane loading; out-of-plane loading; beam; rolling shear modulus; experimental tests; FE-modelling; Technology and Engineering;

    Sammanfattning : This project concerns an analysis of a hitherto untested method for determining the modulus of elasticity (MoE) and shear modulus parallel to grain, as well as the rolling shear modulus of cross laminated timber (CLT) through 3-point bending tests. A review of analytical models and methods is included, followed by an evaluation of the effect of the annual ring orientation and shear stress distribution at shear loading of individual board cross-sections. LÄS MER