Viser treff 1-20 av 1532

    • Laser beam remelting of stainless steel plate for cladding and comparison with conventional CMT process 

      Bunaziv, Ivan; Ren, Xiaobo; Hagen, Anette Brocks; Hovig, Even Wilberg; Jevremovic, Ivana; Gulbrandsen-Dahl, Sverre (Peer reviewed; Journal article, 2023)
      Progressing towards circular economy requires smarter and more efficient use of energy and resources. Laser beam can be efficient and flexible tool for melting different metals, commonly used in cladding and additive ...
    • Cryo-XPS for Surface Characterization of Nanomedicines 

      Cant, David J H; Pei, Yiwen; Shchukarev, Andrey; Ramstedt, Madeleine; Marques, Sara S.; Segundo, Marcela A.; Parot, Jérémie; Molska, Alicja Anna; Borgos, Sven Even F.; Shard, Alexander G.; Minelli, Caterina (Peer reviewed; Journal article, 2023)
      Nanoparticles used for medical applications commonly possess coatings or surface functionalities intended to provide specific behavior in vivo, for example, the use of PEG to provide stealth properties. Direct, quantitative ...
    • Condensed tannins, novel compounds and sources of variation determine the antiparasitic activity of Nordic conifer bark against gastrointestinal nematodes 

      Chylinski, Caroline; Degnes, Kristin Fløgstad; Aasen, Inga Marie; Ptochos, Sokratis; Blomstrand, Berit Marie; Mahnert, Karl-Christian; Enemark, Heidi L; Thamsborg, Stig Milan; Steinshamn, Håvard; Athanasiadou, Spiridoula (Peer reviewed; Journal article, 2023)
      The antiparasitic potential of plants could offer a vital solution to alleviating the costs of gastrointestinal nematode (GIN) infections in ruminant production globally. Leveraging known bioactive molecules, however, is ...
    • The Effect of Deformation and Isothermal Heat Treatment of a 5005 Aluminum Alloy 

      Holmestad, Jon; Marioara, Calin Daniel; Myrold, Benedikte Jørgensen; Jensrud, Ola (Peer reviewed; Journal article, 2024)
      In the aluminum industry, forming is an important process step that introduces dislocations in the material. To investigate the effect of dislocation retention after ageing on 6xxx-series alloys, a non-heat-treatable 5005 ...
    • Modeling Contact Resistance and Water Transport within a Cathode Liquid-Fed Proton Exchange Membrane Electrolyzer 

      Gerhardt, Michael; Østenstad, Jenny S.; Oyarce Barnett, Alejandro Ricardo; Thomassen, Magnus (Peer reviewed; Journal article, 2023)
      Conventional proton-exchange membrane (PEM) water electrolyzers use thicker membranes (>175 μm) than their PEM fuel cell counterparts (<25 μm), which reduces hydrogen crossover but also reduces electrolyzer efficiency due ...
    • Toward semantic standard and process ontology for Additive manufacturing 

      Gouttebroze, Sylvain; Friis, Jesper; Hovig, Even Wilberg; Boivie, Klas Magnus (Peer reviewed; Journal article, 2023)
      Advanced modelling of additive manufacturing often requires the combination of models at multiple scales and multi-physics. Therefore, building the modelling workflow describing the process is complicated. The modelling ...
    • Hydrogen som energibærer - Energi- og utslippsregnskap for utvalgte energikjeder 

      Jordanger, Einar; Møller-Holst, Steffen; Brevik, Dag; Maurstad, Ola (SINTEF Energi. Rapport;, Research report, 2002)
    • Flexible Hybrid and Single-Component Aerogels: Synthesis, Characterization, and Applications 

      Fijalkowski, Mateusz; Coufal, Radek; Ali, Azam; Adach, Kinga; Petrik, Stanislav; Bu, Huaitian; Karl, Christian (Peer reviewed; Journal article, 2023)
      The inherent disadvantages of traditional nonflexible aerogels, such as high fragility and moisture sensitivity, severely restrict their applications. To address these issues, different techniques have been used to incorporate ...
    • Understanding the patterns that neural networks learn from chemical spectra 

      Rieger, Laura Hannemose; Wilson, Max; Vegge, Tejs; Flores Cedeño, Eibar (Peer reviewed; Journal article, 2023)
      Analysing spectra from experimental characterization of materials is time consuming, susceptible to distortions in data, requires specific domain knowledge, and may be susceptible to biases in general heuristics under human ...
    • Correlating Oxygen Electrode Degradation to Cr Vaporization from Metallic Interconnects in Solid Oxide Cell Stacks 

      Talic, Belma; Norrman, Kion; Sand, Tommy; Froitzheim, Jan; Hendriksen, Peter Vang (Peer reviewed; Journal article, 2023)
      Symmetrical cells consisting of La0.58Sr0.4Co0.2Fe0.8O3-δ (LSCF) oxygen electrodes screen printed on both sides of a Ce0.9Gd0.1O2-δ (CGO) electrolyte were tested at 800 °C while being held close to a piece of Crofer 22 APU ...
    • Numerical modelling of high-power laser spot melting of thin stainless steel 

      Bunaziv, Ivan; Danielsen, Morten Høgseth; Eriksson, Magnus Carl Fredrik; Ma, Xiang; Ren, Xiaobo; Godinez Brizuela, Omar Emmanuel; Skjetne, Paal (Peer reviewed; Journal article, 2023)
      Numerical modelling is an important scientific tool in laser materials processing to study different melting, evaporation, and solidification phenomena. It can assist in understanding why certain defects are formed, and ...
    • A Comparative Investigation of Duplex and Super Duplex Stainless Steels Processed through Laser Powder Bed Fusion 

      Gargalis, Leonidas; Karavias, Leonidas; Graff, Joachim Seland; Diplas, Spyridon; Koumoulos, Elias P.; Karaxi, Evangelia K. (Peer reviewed; Journal article, 2023)
      The aim of this paper was to compare duplex (DSS) and super duplex stainless steel processed by laser powder bed fusion (LPBF) based on the process parameters and microstructure–nanomechanical property relationships. Each ...
    • Metal- and covalent-organic framework mixed matrix membranes for CO2 separation: A perspective on stability and scalability 

      Shan, Meixia; Geng, Xiumei; Imaz, Inhar; Brotos-Ribas, A.; Ortín-Rubio, Borja; Maspoch, D.; Ansaloni, Luca; Peters, Thijs; Tena, Alberto; Boerrigter, Marcel; Vermaas, David (Peer reviewed; Journal article, 2023)
      Membrane technology has attracted great industrial interest in carbon capture and separation owing to the merits of energy-efficiency, environmental friendliness and low capital investment. Conventional polymeric membranes ...
    • Metabolite interactions in the bacterial Calvin cycle and implications for flux regulation 

      Sporre, Emil; Karlsen, Jan; Schriever, Karen; Asplund-Samuelsson, Johannes; Janasch, Markus; Strandberg, Linnéa; Karlsson, Anna; Kotol, David; Zeckey, Luise; Piazza, Ilaria; Syrén, Per-Olof; Edfors, Fredrik; Hudson, Elton P. (Peer reviewed; Journal article, 2023)
      Metabolite-level regulation of enzyme activity is important for microbes to cope with environmental shifts. Knowledge of such regulations can also guide strain engineering for biotechnology. Here we apply limited ...
    • Characterization and Modeling of CO2 Transport through Fluorinated Thermoplastics 

      Signorini, Virginia; Ansaloni, Luca; Peters, Thijs; Alcock, Benjamin; Giacinti Baschetti, Marco; Minelli, Matteo (Peer reviewed; Journal article, 2023)
      Carbon capture and storage (CCS) is one of the most viable solutions to limit the CO2 emission in the atmosphere, with the potential to be applied at short-medium time scales. In this concern, polymeric materials play a ...
    • Characteristic features of shale barrier materials 

      Fjær, Erling; Stenebråten, Jørn; Bakheim, Sigurd; Larsen, Idar (Peer reviewed; Journal article, 2023)
      Deep wells in soft formations are completed with a steel tube (“casing”) that isolates the well from the surrounding rock. The annulus between the casing and the rock is usually left open in long sections of the well, thus ...
    • A comparative study of laser-arc hybrid welding with arc welding for fabrication of offshore substructures 

      Bunaziv, Ivan; Ren, Xiaobo; Olden, Vigdis (Peer reviewed; Journal article, 2023)
      Laser-arc hybrid welding (LAHW) is an efficient and promising joining method for offshore structures made from metallic alloys. Under a high-power laser output, a keyhole is formed that efficiently melts a metal and provides ...
    • Modelling of major phases formation during solidification of Ferro-Silicon-Magnesium 

      Gouttebroze, Sylvain; Marthinsen, Astrid; Kroka, Bente; Götz, Adam; Ott, Emmanuelle (Peer reviewed; Journal article, 2023)
      Ductile cast iron, also known as nodular cast iron, is a graphite-rich cast iron with high impact and fatigue resistance, due to its nodular graphite inclusions. Ductile cast iron is produced by incorporating additives ...
    • Novel Powder Feedstock towards Microstructure Engineering in Laser Powder Bed Fusion: A Case Study on Duplex/Super Duplex and Austenitic Stainless-Steel Alloys 

      Gargalis, Leonidas; Karavias, Leonidas; Graff, Joachim Seland; Diplas, Spyridon; Koumoulos, Elias P.; Karaxi, Evangelia K. (Peer reviewed; Journal article, 2023)
      Additive manufacturing of Duplex Stainless Steels (DSS) and Super Duplex Stainless Steels (SDSS) has been successfully demonstrated using LPBF in recent years, however, both alloys feature an almost fully ferritic ...
    • Review and Alignment of Domain-Level Ontologies for Materials Science 

      de Baas, Anne F; Del Nostro, Pierluigi; Friis, Jesper; Ghedini, Emanuele; Goldbeck, Gerhard; Paponetti, Ilaria Maria; Pozzi, Andrea; Sarkar, Arkopaul; Yang, Lan; Zaccarini, Francesco Antonio; Toti, Daniele (Peer reviewed; Journal article, 2023)
      The growing complexity and interdisciplinary nature of Materials Science research demand efficient data management and exchange through structured knowledge representation. Domain-Level Ontologies (DLOs) for Materials ...