Blar i SINTEF Industri på tittel

Viser treff 90-109 av 1534

    • Atomic structures of precipitates in Al–Mg–Si alloys with small additions of other elements 

      Saito, Takeshi; Mørtsell, Eva Anne; Wenner, Sigurd; Marioara, Calin Daniel; Andersen, Sigmund Jarle; Friis, Jesper; Matsuda, Kenji; Holmestad, Randi (Peer reviewed; Journal article, 2018)
      In Al–Mg–Si alloys, additions of only a few weight percent of Mg and Si enable formation of hardening precipitates during heat treatment. The precipitation is complex and is influenced by chemical compositions and ...

    • Atomic-resolution chemical mapping of ordered precipitates in Al alloys using energy-dispersive X-ray spectroscopy 

      Wenner, Sigurd; Jones, Lewys; Marioara, Calin Daniel; Holmestad, Randi (Peer reviewed; Journal article, 2017)
      Scanning transmission electron microscopy (STEM) coupled with energy-dispersive X-ray spectroscopy (EDS) is a common technique for chemical mapping in thin samples. Obtaining high-resolution elemental maps in the STEM is ...

    • Atomic-resolution electron energy loss studies of precipitates in an Al-Mg-Si-Cu-Ag alloy 

      Wenner, Sigurd; Marioara, Calin Daniel; Ramasse, Quentin; Kepaptsoglou, Despoina Maria; Hage, Fredrik Sydow; Holmestad, Randi (Peer reviewed; Journal article, 2014)
      Aberration-corrected scanning transmission electron microscopy combined with electron energy loss spectroscopy has been used to determine the distribution of Cu and Ag atomic columns of precipitates in an Al–Mg–Si–Cu–Ag ...

    • Atomic-resolution elemental mapping of precipitates in a 7449 aluminium alloy 

      Wenner, Sigurd; Marioara, Calin Daniel; Lefebvre, Williams; Ramasse, Quentin; Kepaptsoglou, Despoina Maria; Hage, Fredrik Sydow; Holmestad, Randi (Peer reviewed; Journal article, 2014)
      The high-strength weldable 7xxx series of aluminium alloys are of great importance to the aeronautics industry. Only recently, the complex structures of the AlZnMg hardening precipitates have been solved by HAADFSTEM imaging ...

    • Atomistic approach to simulate kink migration and kink-pair formation in silicon: The kinetic activation-relaxation technique 

      Eliassen, Simen Nut Hansen; Friis, Jesper; Ringdalen, Inga Gudem; Mousseau, Normand; Trochet, Mickaël; Li, Yanjun (Peer reviewed; Journal article, 2019)
      The energy conversion efficiency of solar cells based on multicrystalline silicon is greatly deteriorated by dislocations. However, an in-depth understanding on the dislocation motion dynamics down to atomic scale is still ...

    • Atomistic details of precipitates in lean Al–Mg–Si alloys with trace additions of Ag and Ge studied by HAADF-STEM and DFT 

      Mørtsell, Eva Anne; Andersen, Sigmund Jarle; Friis, Jesper; Marioara, Calin Daniel; Holmestad, Randi (Peer reviewed; Journal article, 2017)
      Bonding energies and volume misfits for alloying elements and vacancies in multicomponent Al–Mg–Si alloys have been calculated using density functional theory (DFT). A detailed atomic scale analysis has been done for ...

    • Attaining Low Lattice Thermal Conductivity in Half-Heusler Sublattice Solid Solutions: Which Substitution Site Is Most Effective? 

      Tranås, Rasmus André; Løvvik, Ole Martin; Berland, Kristian (Peer reviewed; Journal article, 2022)
      Low thermal conductivity is an important materials property for thermoelectricity. The lattice thermal conductivity (LTC) can be reduced by introducing sublattice disorder through partial isovalent substitution. Yet, ...

    • An Attempt to Estimate the Sulfuric Acid Dewpoint in the Flue Gas from Aluminium Electrolysis Cells 

      Solheim, Asbjørn (Peer reviewed; Journal article, 2022)
      The sulfuric acid dew point in the flue gas from aluminium electrolysis cells increases with increasing concentrations of sulfur dioxide and water vapour. This represents a potential problem in a future scenario with reduced ...

    • AutomAl 6000: Semi-automatic structural labelling of HAADF-STEM images of precipitates in Al–Mg–Si(–Cu) alloys 

      Tvedt, Haakon; Marioara, Calin Daniel; Thronsen, Elisabeth; Hell, Christoph Martin; Andersen, Sigmund Jarle; Holmestad, Randi (Peer reviewed; Journal article, 2022)
      When the Al–Mg–Si(–Cu) alloy system is subjected to age hardening, different types of precipitates nucleate depending on the composition and thermomechanical treatment. The main hardening precipitates extend as needles, ...

    • Automated tracking of cell migration in phase contrast images with CellTraxx 

      Holme, Børge; Bjørnerud, Birgitte; Pedersen, Nina Marie; Rodriguez de la Ballina, Laura; Wesche, Jørgen; Haugsten, Ellen Margrethe (Peer reviewed; Journal article, 2023)
      The ability of cells to move and migrate is required during development, but also in the adult in processes such as wound healing and immune responses. In addition, cancer cells exploit the cells’ ability to migrate and ...

    • Automatic reconstruction of metabolic pathways from identified biosynthetic gene clusters 

      Sulheim, Snorre; Fossheim, Fredrik A.; Wentzel, Alexander; Almaas, Eivind (Peer reviewed; Journal article, 2021)
      A wide range of bioactive compounds is produced by enzymes and enzymatic complexes encoded in biosynthetic gene clusters (BGCs). These BGCs can be identified and functionally annotated based on their DNA sequence. Candidates ...

    • Automatic solar cell diagnosis and treatment 

      Rodriguez, Alvaro; Gonzalez, Carlos; Fernandez, Andres; Rodriguez, Francisco; Delgado, Tamara; Bellmann, Martin Pawel (Peer reviewed; Journal article, 2020)
      Solar cells represent one of the most important sources of clean energy in modern societies. Solar cell manufacturing is a delicate process that often introduces defects that reduce cell efficiency or compromise durability. ...

    • Avoiding Damage of CO2 Injection Wells Caused by Temperature Variations 

      Torsæter, Malin; Todorovic, Jelena; Lavrov, Alexandre; Gawel, Kamila; Lund, Halvor; Roy, Pratanu; Carroll, Susan (Journal article; Peer reviewed, 2017)
      Well integrity is a prerequisite for safe geological storage of CO2. Both active and abandoned wells are man-made channels between the storage reservoir and the atmosphere that can become leakage paths over time. The CO2 ...

    • B-site cation inter-diffusion in yttrium substituted barium zirconate 

      Hasle, Ida; Waldow, Stephan P.; Gries, Ute N.; De Souza, Roger A.; Vøllestad, Einar; Haugsrud, Reidar (Peer reviewed; Journal article, 2021)
      B-site cation inter-diffusion in the ABO3 perovskite yttrium-substituted barium zirconate (BZY) was studied at temperatures from 1100 to 1460 °C under reducing and oxidising conditions. The experiments followed two different ...

    • Bayesian rock-physics inversion: Application to CO2 storage monitoring 

      Dupuy, Bastien; Romdhane, Mohamed Anouar; Nordmann, Pierre-Louis; Eliasson, Peder; Park, Joonsang (Peer reviewed; Journal article, 2021)

    • A bead sequence-driven deposition pattern evaluation criterion for lowering residual stresses in additive manufacturing 

      Sun, Li; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)
      Deposition patterns can significantly influence the distribution and magnitude of residual stress in additively manufactured parts. Time-consuming thermal-mechanical simulations and costly experimental studies are often ...

    • Bedrifters innovasjonstilnærming i perifere regioner 

      Steinmo, Marianne Terese; Lauvås, Thomas Andre; Eidem, Per Anders; Salamonsen, Krister; Paulsen, Monica (Peer reviewed; Journal article, 2018)
      Denne studien belyser hvordan innovasjonsutfordringer håndteres av bedrifter tilknyttet to perifere regionale innovasjonssystemer (RIS): Mo Industripark og Raufoss Industripark. Casebedriftene ved Mo Industripark er ...

    • Behavior of Cu-Y2O3 and CuCrZr-Y2O3 composites before and after irradiation 

      Martins, R.; Antão, F.; Correia, J.B.; Tejado, E.; Pastor, J.; Galatanu, A.; Almeida Carvalho, Patricia; Alves, E.; Dias, M. (Peer reviewed; Journal article, 2023)
      The Cu-Y2O3 and CuCrZr-Y2O3 materials have been devised as thermal barriers in nuclear fusion reactors. It is expected that in the nuclear environments, the materials should be working on extreme conditions of irradiation. ...

    • Benchmark study of undrained triaxial testing of Opalinus Clay shale: Results and implications for robust testing 

      Minardi, Alberto; Giger, Silvio B.; Ewy, Russel T.; Stancovic, Rudy; Stenebråten, Jørn; Soldal, Magnus; Rosone, Marco; Ferrari, Alessio; Laloui, Lyesse (Peer reviewed; Journal article, 2020)
      Triaxial testing of argillaceous rocks and shales is significantly more challenging than conventional rock mechanical testing. The challenges are mainly related to the very low permeability of these geomaterials, and their ...

    • Beryllium Reduction Potential in AlMg Cast Alloys 

      Steglich, Jan; Basa, Alexandra; Kvithyld, Anne; Smith, Nicholas Albert; Zerbin, Ines (The Minerals, Metals & Materials Series;2367-1181, Chapter; Peer reviewed, 2020)
      Beryllium is used in many aluminium-magnesium alloys to minimize molten metal oxidation and oxide entrainment. As beryllium containing dust and fumes have detrimental effects on health, its use has to be limited. The ...