Sökning: "crack morphology"

Hittade 5 uppsatser innehållade orden crack morphology.

  1. 1. RICHARD BERGHS KONSTNÄRSFÖRBUNDETS STYRELSE en fallstudie om bindemedlets påverkan på sprickbildningens morfologi

    Kandidat-uppsats, Göteborgs universitet/Institutionen för kulturvård

    Författare :Sabina Byström; [2023-11-07]
    Nyckelord :Richard Bergh; oil painting; materiality; binder; crack morphology;

    Sammanfattning : Many painters experimented with disparate materials and techniques at the turn of the century 1900. As a result, paintings originating from this time period are often prone to undesired degradation phenomena resulting from an inherent vice. LÄS MER

  3. 2. Development of thick GaN and AlGaN drift layers for vertical power devices

    Master-uppsats, Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

    Författare :Andri Dhora; [2023]
    Nyckelord :Technology and Engineering;

    Sammanfattning : High-quality, thick III-nitride epitaxial drift layers with controlled doping are needed for next-generation highly efficient vertical power devices for a smart grid applications and electrification of mobility. Achieving desirable material properties, such as low background impurity concentrations and reduced dislocation densities in combination with high growth rates, necessary for practical application present a challenge. LÄS MER

  4. 3. Jämförelsestudie för grey scale median (GSM) värde för plack i carotis från ultraljud med två olika bildinställningar

    Kandidat-uppsats, Malmö universitet/Institutionen för biomedicinsk vetenskap (BMV)

    Författare :Crina Teodorescu; [2021]
    Nyckelord :carotid artery; echolucent; grey scale median; GSM; plaque; stroke; ultrasound; arteria carotis; grey scale median; GSM; lågekogen; plack; stroke; ultraljud;

    Sammanfattning : Plack i arteria carotis kan ha olika utseende beroende på innehåll och morfologi. Det kan vara lågekogena eller högekogena plack. LÄS MER

  5. 4. Design of cemented carbide with Ni-based superalloy binder strengthened with y’-Ni3Al precipitates

    Master-uppsats, KTH/Materialvetenskap

    Författare :Oscar Edholm; [2018]
    Nyckelord :Cemented Carbide; Super alloy; Ni-alloy; Ni-Super alloy; Superalloy; Ni3Al; NiAl; Gamma Prime; Gamma; Precipitates; Ni3Al Precipitates; Master Alloy; Liquid Phase Sintering; Cementerad karbid; Hårdmetall; Superlegering; Ni-legering; Ni-Superlegering; Superalloy; Ni3Al; NiAl; Gamma Prim; Gamma; Precipitates; Ni3Al Precipitates; Mästerlegering; Utfällning;

    Sammanfattning : Replacement of cobalt in cemented carbides has gained in attention recently because threats of regulations due to health issues (cancerogenic effect), increased demand from the electric vehicle industry and the questionable extraction from countries like Democratic Republic of Congo. In this report the use of Ni-based binder as an alternative binder for cemented carbides has been explored. LÄS MER

  7. 5. Chemical Effects on Formation and Propagation of Comb Cracks in Coated Cemented Carbide Milling Inserts

    Master-uppsats, KTH/Materialvetenskap

    Författare :Klas Jonsson Wildner; [2014]
    Nyckelord :Milling tools; Cemented Carbide; Comb cracks; Corrosion; Oxidation;

    Sammanfattning : The report aims to investigate the influence of chemical reactions on comb crack formation and propagation in coated cemented carbide milling inserts with different compositions. A series of novel experimental techniques have been developed and applied to understand oxidation and corrosion effects on comb cracks. LÄS MER