Browsing SINTEF Open by Subject "Aluminium"

Now showing items 1-20 of 28

    • Aluminium Filtration by Bonded Particle Filters 

      Kvithyld, Anne; Syvertsen, Martin; Bao, Sarina; Eriksen, Ulrik Aalborg; Johansen, Inge; Gundersen, Eilif; Akhtar, Shahid; Haugen, Terje; Gihleengen, Britt Elin (The Minerals, Metals & Materials Series;2367-1181, Chapter, 2019)
      Non-metallic inclusions such as oxides, borides and carbides in aluminium melts are a major cause of product failure during both processing and use. To remove these inclusions, molten aluminium is usually filtered through ...

    • An EXAFS and XANES Study of V, Ni, and Fe Speciation in Cokes for Anodes Used in Aluminum Production 

      Jahrsengene, Gøril; Wells, Hannah C.; Sommerseth, Camilla; Ratvik, Arne Petter; Lossius, Lorentz Petter; Sizeland, Katie H.; Kappen, Peter; Svensson, Ann Mari; Haverkamp, Richard G. (Journal article; Peer reviewed, 2019)
      Lower-quality petroleum coke with higher levels of sulfur and metal impurities will have to be used for the manufacturing of anodes for aluminum production in the future. The sulfur and metallic impurities affect the anode ...

    • 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, ...

    • Characterization of inclusion content in mechanical aluminium filters 

      Eriksen, Ulrik Aalborg; Johansen, Inge; Syvertsen, Martin; Kvithyld, Anne; Bao, Sarina (SINTEF Rapport;2387-4295, Research report, 2019)

    • Collection of aluminium packaging today 

      Bækken, Idun; Bao, Sarina; Kvithyld, Anne (Research report, 2019)
      This report investigates the collection of aluminium packaging, particularly in China, the United States and the European Union. A literature search among journal articles using Google Scholar, company and organization ...

    • Comparative study of eutectic Al-Si alloys manufactured by WAAM and casting 

      Langelandsvik, Geir; Horgar, Annbjørg; Furu, Trond; Roven, Hans Jørgen; Akselsen, Odd Magne (Peer reviewed; Journal article, 2020)
      Wire and arc additive manufacturing (WAAM) of metallic materials is expected to become part of the new industrial revolution. The possibilities for complex designs and superior mechanical properties can in many cases replace ...

    • The correlation between intergranular corrosion resistance and copper content in the precipitate microstructure in an AA6005A alloy 

      Marioara, Calin Daniel; Lervik, Adrian; Grønvold, Julie; Lunder, Otto; Wenner, Sigurd; Furu, Trond; Holmestad, Randi (Peer reviewed; Journal article, 2018)
      A positive correlation is observed between the amount of Cu incorporated in hardening precipitates and intergranular corrosion resistance in an artificially aged Cu-containing 6005A alloy. Three mechanisms have been ...

    • Detailed investigation of the shearing mechanism of β" precipitates in Al-Mg-Si alloys 

      Christiansen, Emil; Marioara, Calin Daniel; Ringdalen, Inga Gudem; Bjørge, Ruben; Holmedal, Bjørn; Hopperstad, Odd Sture; Holmestad, Randi (Peer reviewed; Journal article, 2020)
      The mechanism behind shearing of β'' precipitates in Al-Mg-Si alloys during deformation is investigated by applying advanced transmission electron microscopy (TEM) techniques and frozen phonon multislice TEM image simulations ...

    • Durable Aluminium Reinforced Environmentally-friendly Concrete Construction – DARE2C 

      Justnes, Harald (Journal article; Peer reviewed, 2017)
      A new concept is described for low pH concrete that can allow reinforcement with aluminium metal rods or fibres. In regular concrete the high pH will after short while lead to substantial amounts of hydrogen gas evolution. ...

    • The Effect of Grain Refiner on Aluminium Filtration 

      Bao, Sarina; Yang, Jiawei; Akhtar, Shahid; Tundal, Ulf; Tjøtta, Stig; Pettersen, Tanja; Li, Yanjun (The Minerals, Metals & Materials Series;2367-1181, Peer reviewed; Journal article, 2021)
      Grain refinement of aluminium and its alloys is a common industrial practice. Fine equiaxed, grain structure leads to improved castability, strength, machinability, formability, and good surface finish. Filtration is one ...

    • Effect of micro‐alloying elements on the oxidation of a 5 % Mg aluminium alloy 

      Smith, Nicholas Albert; Kvithyld, Anne (Research report, 2020)

    • Effects of CO2 cover gas and yttrium additions on the oxidation of AlMg alloys 

      Smith, Nicholas Albert; Gleeson, Brian; wissam, saidi; Kvithyld, Anne; Tranell, Gabriella (Light Metals;2019, Chapter; Peer reviewed, 2019)
      AlMg alloys are known to suffer from problematic oxidation that can result in significant dross formation and loss of Mg from the melt. Historically, beryllium has been used to minimize the oxidation as it forms a protective ...

    • Effects of iron precipitation and novel metal screw extrusion on electrical conductivity and properties of AA1370 aluminium 

      Langelandsvik, Geir; Furu, Trond; Reiso, Oddvin; Roven, Hans Jørgen (Peer reviewed; Journal article, 2020)
      In order to develop well-performing aluminium electrical conductors, the role of iron and processing method on electrical and mechanical properties was studied for an AA1370 alloy. Firstly, Ø3 mm cold drawn wires were ...

    • Hot Deformation and Die-Quenching of 6000-Series Alloys—The Effect of Quench-Interruption Temperature 

      Pettersen, Tanja; Myrold, Benedikte Jørgensen; Marioara, Calin Daniel; Jensrud, Ola (The Minerals, Metals & Materials Series;2367-1696, Chapter; Peer reviewed, 2020)
      The automotive industry face demands to produce lightweight vehicles and substituting steel with aluminium is a straightforward solution. Age hardenable aluminium alloys are attractive candidates when the aim is a combination ...

    • Kartlegging av tæringsskader på fiskebåter bygget i aluminium 

      Farstad, Arne; Aasjord, Halvard Laurits (SINTEF Fiskeri og havbruk rapporter;STF80 A99007, Research report, 1999-10-20)
      Original fra arkiv Scannet  PDF   Rapporten beskriver den risiko som er forbundet med bruk av betong som ballastmateriale og elektriske anlegg i fiskebåter av aluminium. Det er innhentet uttalelser og drøftet ...

    • Laboratory scale study of reverse priming in aluminium filtration 

      Bao, Sarina; Syvertsen, Martin; Syvertsen, Freddy; Gihleengen, Britt Elin; Tundal, Ulf; Pettersen, Tanja (The Minerals, Metals & Materials Series;2367-1181, Peer reviewed; Journal article, 2019)
      Inclusions are one of the most serious problems encountered in aluminium production and melt treatment. Even small inclusions, not larger than a few tens of micrometres, can potentially have considerable consequences for ...

    • Laser welding of AA2065 and AA7021Al Alloys using purpose made welding wires 

      Arbo, Siri Marthe; Martinsen, Kristian; Aunemo, Jo; Dahle, Nora Marie (Peer reviewed; Journal article, 2023)
      Aerospace AA2xxx and AA7xxx alloys have good mechanical properties such as high strength-to-weight ratio, fatigue- and corrosion resistance. These alloys are known for poor weldability with traditional fusion welding ...

    • Lattice rotations in precipitate free zones in an Al-Mg-Si alloy 

      Christiansen, Emil; Marioara, Calin Daniel; Marthinsen, Knut; Hopperstad, Odd Sture; Holmestad, Randi (Peer reviewed; Journal article, 2018)
      Scanning precession electron diffraction and automated crystal orientation mapping in a transmission electron microscope (TEM) have been applied to quantitatively study the crystal orientation of precipitate free zones ...

    • Mechanical Properties of AlSi10Mg Processed by Laser Powder Bed Fusion at Elevated Temperature 

      Hovig, Even Wilberg; S. Azar, Amin; M'hamdi, Mohammed; Sørby, Knut (The Minerals, Metals & Materials Series;2367-1181, Peer reviewed; Journal article, 2020)
      AlSi10Mg processed by laser powder bed fusion is expected to have remarkable mechanical properties due to the dominant cellular microstructure. However, the as-processed material is often both anisotropic and containing ...

    • Multislice image simulations of sheared needle‐like precipitates in an Al‐Mg‐Si alloy 

      Christiansen, Emil; Ringdalen, Inga Gudem; Bjørge, Ruben; Marioara, Calin Daniel; Holmestad, Randi (Peer reviewed; Journal article, 2020)
      The image contrast of sheared needle‐like precipitates in the Al‐Mg‐Si alloy system is investigated with respect to shear‐plane positions, the number of shear‐planes, and the active matrix slip systems through multislice ...