Sökning: "surface porosity"

Visar resultat 1 - 5 av 76 uppsatser innehållade orden surface porosity.

  1. 1. Investigating the Adsorption of Per- and Polyfluoroalkyl Substances on Amine-functionalized Mesoporous Carbons

    Master-uppsats, Linköpings universitet/Institutionen för fysik, kemi och biologi

    Författare :MOJISOLA SALISU; [2023]
    Nyckelord :Mesoporous carbon; PFOA; PFOS; PFAS; Rose Bengal; Adsorption;

    Sammanfattning : Water pollution is a profound ecological concern, exerting detrimental effects on human well-being, ecological systems, and animal life. Among the emerging contaminants that critically influence water quality and have garnered substantial scientific interest in recent times are per- and polyfluoroalkyl substances (PFAS). LÄS MER

  3. 2. Bluegreengrey (BGG) solution for future climate and flood-resilient urban drainage network by enhancing the natural hydrological cycle

    Master-uppsats, Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Författare :Adnan Asif Rifat; [2023]
    Nyckelord :Bluegreengrey; Sustainable stormwater; Basement flooding; Urban flooding; Pipe Network; BGG; Climate change; Hydrology; Mike .; Technology and Engineering;

    Sammanfattning : A loop of urbanization, increasing impervious surface in urban areas, increasing temperature, rainfall, surface runoff and flooding, and lack of new spaces have been adding challenges to urban drainage systems for decades. The climate change impacts are exposing the existing vulnerable conventional urban drainage systems to more challenges in the future. LÄS MER

  4. 3. Investigation of high temperature stability of additive manufactured austenitic stainless steels for space applications

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Materialvetenskap

    Författare :Belén Alonso Rancurel; [2023]
    Nyckelord :austenitic stainless steel; additive manufacturing; high temperature corrosion; high temperature stability;

    Sammanfattning : Additive manufacturing (AM) techniques are being studied for their application in the aerospace industry. Numerous benefits come from the already in shape final piece, which needs reduced amount of prime material for its production and can have its shape numerically optimized for weight reduction. LÄS MER

  5. 4. Study of Porosity in Uncoated Cemented Carbide Tools During Titanium Alloy Machining.

    Master-uppsats, Lunds universitet/Industriell Produktion

    Författare :Cornelis Botermans; [2023]
    Nyckelord :Technology and Engineering;

    Sammanfattning : During high speed machining of titanium alloys both the tool and workpiece material diffuse into one another affecting the surface integrity of the cutting tool edge and leading to fracture. One proposed mechanism by which the tool integrity is compromised results from the possible formation of porosity in to subsurface of the tool substrate close to the tool cutting edge. LÄS MER

  7. 5. Design and processing of metal-organic frameworks for greenhouse gas capture

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Nanoteknologi och funktionella material

    Författare :Evelina Wiksten; [2023]
    Nyckelord :Metal-organic frameworks; zeolitic imidazolate frameworks; carbon capture; gas adsorption; direct ink writing;

    Sammanfattning : Anthropogenic emission of greenhouse gases has long been suspected to contribute to global warming and climate change. Most greenhouse gases are emitted in a mixture, so efficient methods and materials to separate and capture the gases are in demand in order to reduce emissions. LÄS MER