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  • 1.
    Jarl, Magnus
    et al.
    Örebro Universitet.
    Enghag, Per
    Lundberg, Sven-Erik
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Management, Industrial Design and Mechanical Engineering, Mechanical Engineering.
    Chapter 6: Manufacture of Steel Wire and Steel Wire Products2017In: The Making, Shaping and Treating of Steel: Long Products Volume / [ed] Lundberg, S.-E., Warrendale, PA: Association for Iron & Steel Technology (AIST) , 2017, p. 571-656Chapter in book (Other academic)
  • 2.
    Lundberg, Sven-Erik
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Management, Industrial Design and Mechanical Engineering, Mechanical Engineering.
    Chapter 3: Roll Pass Design2017In: The Making, Shaping and Treating of Steel: Long Products Volume / [ed] Lundberg, S.-E., Warrendale, PA: Association for Iron & Steel Technology (AIST) , 2017, p. 337-412Chapter in book (Other academic)
  • 3.
    Lundberg, Sven-Erik
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Management, Industrial Design and Mechanical Engineering, Mechanical Engineering.
    The Making, Shaping and Treating of Steel: Long Products Volume2017Collection (editor) (Other academic)
    Abstract [en]

    This book provides a detailed description of what long products are, how they are classified, how they are produced, as well as the types of equipment that produce long products. The volume provides a comprehensive overview of long product production from describing the roll pass design, to the different shapes and sections, to the manufacturing of wire and wire products, to tubular products, and finally to high-alloy steel semi-finished products by casting and ingots.

  • 4.
    Lundberg, Sven-Erik
    et al.
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Management, Industrial Design and Mechanical Engineering, Mechanical Engineering.
    Allgood, Lee E.
    Lamb, Charles W.
    Ragger, Katharina Sophie
    Materials Center Leoben Forschung GmbH, Leoben, Austria.
    Paal, Jürgen
    Schoeller Bleckmann Edelstahlrohr GmbH (SBER), Ternitz, Austria.
    Buchmayr, Bruno
    Materials Center Leoben Forschung GmbH, Leoben, Austria.
    Chapter 7: Manufacture of Steel Tubular Products2017In: The Making, Shaping and Treating of Steel: Long Products Volume / [ed] Lundberg, S.-E., Warrendale, PA: Association for Iron & Steel Technology (AIST) , 2017, p. 657-729Chapter in book (Other academic)
  • 5.
    Lundberg, Sven-Erik
    et al.
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Management, Industrial Design and Mechanical Engineering, Mechanical Engineering.
    Toschi, Francesco
    Primetals Technology, Castellanza, Italy.
    Head, Mel
    Chapter 4: Production of Bar and Light Sections2017In: The Making, Shaping and Treating of Steel: Long Products Volume / [ed] Lundberg, S.-E., Warrendale, PA: Association for Iron & Steel Technology (AIST) , 2017, p. 413-507Chapter in book (Other academic)
  • 6.
    Osto, Emanuele
    et al.
    Primetals Technology, Castellanza, Italy.
    Giacomini, Luigi
    Primetals Technology, Castellanza, Italy.
    Lundberg, Sven-Erik
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Management, Industrial Design and Mechanical Engineering, Mechanical Engineering.
    Lagergren, Jonas
    Åkers AB, Åkers Styckebruk, Sweden.
    Oppitz, Mattias
    Ellis, Glyn
    Kocks Pittsburgh Co., Pittsburgh, PA, USA.
    Fabro, Mario
    SMS group.
    Thorstenson, Eric
    Russula, A Coruña, Spain.
    Fernández, Silvia
    Russula, A Coruña, Spain.
    Sánchez, Daniel
    Russula, A Coruña, Spain.
    Chapter 2: Design and Construction of Rolling Mills for Long Products2017In: The Making, Shaping and Treating of Steel: Long Products Volume / [ed] Lundberg, S.-E., Warrendale, PA: Association for Iron & Steel Technology (AIST) , 2017, p. 101-336Chapter in book (Other academic)
  • 7.
    Smith, Richard H.
    et al.
    Carpenter Technology Corp., Reading, PA, USA.
    Wennström, Henrik
    Morgårdshammar AB, Smedjebacken, Sweden.
    Lundberg, Sven-Erik
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Management, Industrial Design and Mechanical Engineering, Mechanical Engineering.
    Chapter 8: Production of High-Alloy Semi-Finished Steel Products by Ingot Casting, Rolling and Forging2017In: The Making, Shaping and Treating of Steel: Long Products Volume / [ed] Lundberg, S.-E., Warrendale, PA: Association for Iron & Steel Technology (AIST) , 2017, p. 731-895Chapter in book (Other academic)
  • 8.
    Söderlind, Andreas
    et al.
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Development, IT and Land Management.
    Forsström, August
    University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Development, IT and Land Management.
    Riktlinjer för styrning av gastryck vid gasatomisering samt kartläggning av pulveregenskaper2016Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    High quality powder steel is manufactured through gas atomization at Erasteel Kloster AB in Söderfors. During their batches they have a problem with varying weight of capsules which can cause problems with bending capsules and unreliable exchange. Bent capsules risk damaging the equipment and cannot be used.The work was performed with the purpose to investigate the source for varying weights of capsules during batches and with the goal to account for a solution on how the varying capsule weights can be reduced.Powder samples were taken during five batches aiming to investigate the cause for varying capsule weights. The powders characteristics were analyzed with different methods which presented the powders size distribution, fill density, tap density and flowability. The Lubanska equation which calculates powders mean diameter was simplified and adjusted for the Erasteel plant with the intention to control gas pressure depending on the metal flow rate.Analyzes showed that the powder size distribution was changing during every batch. The amount of larger particles decreased more than the amount of small particles increased meanwhile the width of the powders size distribution decreased. This gave the largest width of size distribution half-way into the batch and the highest capsule weights were obtained at this moment.The simplified equation was applied to the moment when highest capsule weights was obtained and gave guidelines on how the gas pressure should be controlled to achieve similar size distribution. Further analyzes showed that the metal flow rate was proportional to the gas temperature due to it is measured after being in contact the melt stream.Since the equation was simplified and verified on five batches more tests needs to be extracted. It needs to be done not only to get a more reliable equation but also for an opportunity to test it in practice. With samples collected from more batches, there is a possibility to control the gas pressure with gas temperature and an automatic control of the gas pressure could be performed.

1 - 8 of 8
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