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    Metal Additive Manufacturing Conference 2018

    21–23 Nov 2018
    Wirtschaftskammer Österreich
    Europe/Vienna timezone
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    Session

    Process Optimization & Control (I)

    21 Nov 2018, 15:00
    Julius Raab Saal (Wirtschaftskammer Österreich)

    Julius Raab Saal

    Wirtschaftskammer Österreich

    Wiedner Hauptstraße 63 1045 Vienna, Austria

    Conveners

    Process Optimization & Control (I)

    • Johnny Sjöström (Uddeholms AB)

    Presentation materials

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    1. 4. INFLUENCE OF VARIOUS GASES AND GAS MIXTURES DURING LASER BEAM MELTING
      Markus Effinger (Air Liquide Germany)
      21/11/2018, 15:00
      Process Optimization & Control
      Oral Presentation
      Gases represent only a very small part of the production cost structure, but they play a crucial role for safety, process stability and for the final quality of products. Although the influence of the gas in the process is sometimes considered to be secondary during the laser beam melting process, its protective function is essential, as well as the evacuation of generated smokes and spatters...
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    2. 17. EFFECT OF SHIELDING GAS FLOW RATE ON OXIDATION BEHAVIOR AND MECHANICAL PROPERTY IN LASER METAL DEPOSITION
      Mr DURIM EO (Pohang University of Science and Technology(POSTECH),Graduate Institute of Ferrous Technology(GIFT))
      21/11/2018, 15:20
      Process Optimization & Control
      Oral Presentation
      In laser metal deposition (LMD) process, melt pool oxidation is inevitable due to its high temperature, which results in finely dispersed non-metallic inclusions in the steel matrix. These were found to strengthen the as-built AM alloy by the Orowan strengthening mechanism. Inclusion evolution in AM were also found to show strong dependency on process parameter, such as laser power, scan...
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