Publications

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Talk (57)

  1. 121.
    Talk
    Coelho, R. S.; Kostka, A.; Sheikhi, S.; dos Santos, J.; Pyzalla, A. R.: Friction Stir Welding of ZStE340 High-strength Steel and AA6181-T4 Aluminium Alloy. SOLVSTIR - International Seminar on Friction Stir Welding of Steels, Geesthacht (2007)
  2. 122.
    Talk
    Agudo, L.; Pinto, H.; Kostka, A.; Weber, S.; Wagner, J.; Arenholz, E.; Bruckner, J.; Pyzalla, A. R.: Study of Microstructure and Residual Stresses in Dissimilar Al/Steel Welds Produced by Cold Metal Transfer. MECASENS IV, Wien (2007)
  3. 123.
    Talk
    Coelho, R. S.; Kostka, A.; Riekehr, S.; Kocak, M.; Pyzalla, A. R.: Microstructure and residual stress of Nd:YAG laser AZ31B butt welds. MECASENS IV, Wien, Austria (2007)
  4. 124.
    Talk
    Agudo, L.; Kostka, A.; Weber, S.; Wagner, J.; Arenholz, E.; Bruckner, J.; Pyzalla, A. R.: Al/Steel welds: Fundamental investigation of intermetallic phases. 4th Discussion Meeting on the Development of Innovative Iron Aluminium Alloys, FeAl2007, Interlaken, Switzerland (2007)
  5. 125.
    Talk
    Agudo, L.; Kostka, A.; Weber, S.; Wagner, J.; Arenholz, E.; Bruckner, J.; Pyzalla, A. R.: Aluminium-Rich FexAly(Siz) Phase Formation in Al/Steel Welds with AlSi Fillers. Euromat 2007, Nürnberg (2007)
  6. 126.
    Talk
    Kostka, A.; Tak, K.-G.; Eggeler, G.: On the effect of equal-channel angular pressing on creep of tempered martensite ferritic steels. Euromat 2007, Nürnberg (2007)
  7. 127.
    Talk
    Coelho, R. S.; Kostka, A.; Riekehr, S.; Kocak, M.; Pyzalla, A. R.: Microstructure and Properties of AZ31B Magnesium Alloy Laser Beam Welds. Euromat 2007, Nürnberg, Germany (2007)
  8. 128.
    Talk
    Coelho, R.; Kostka, A.; Pinto, H.; Kocak, M.; Pyzalla, A. R.: Mikrostruktur, Textur und Eigenspannungen in Schweißverbindungen aus AZ 31. FA 13 Eigenspannungen der AWT, Forschungsgemeinschaft Werkzeuge und Werkstoffe e.V., Remscheid (2007)
  9. 129.
    Talk
    Coelho, R. S.; Kostka, A.; Riekehr, S.; Zettler, R.; Sheikhi, S.; Dos Santos, J.; Pyzalla, A. R.: Joining of light-weight materials by laser beam welding and friction stir welding. 2nd Alban Conference, Grenoble, France (2007)

Poster (17)

  1. 130.
    Poster
    Peng, Z.; Meiners, T.; Lu, Y.; Gault, B.; Kostka, A.; Liebscher, C.; Raabe, D.: Methodology for High Resolution Direct Study of Grain Boundary Diffusion, Segregation and Precipitation. Microscopy and Microanalysis 2017 Conference, St. Louis, MO, USA (2017)
  2. 131.
    Poster
    Peng, Z.; Povstugar, I.; Choi, P.-P.; Kostka, A.; Raabe, D.; Matuszewski, K.; Müller, J., J.; Rettig, R.; Singer, R. F.: Ruthenium effect on precipitation of topologically close-packed phases in nickel-based superalloys. APT&M 2014 conference, Stuttgart, Germany (2014)
  3. 132.
    Poster
    Wang, M.; Tasan, C. C.; Ponge, D.; Kostka, A.; Raabe, D.: Size effects on mechanical stability of metastable austenite. GDRi CNRS MECANO General Meeting on the Mechanics of Nano-Objects, MPIE, Düsseldorf, Germany (2013)
  4. 133.
    Poster
    Pradeep, K. G.; Choi, P.; Kostka, A.; Sandlöbes, S.; Herzer, G.; Raabe, D.: Effect of rapid annealing on the microstructure of FeSiNbBCu alloy. MRS Fall Meeting 2011, Boston, MA, USA (2011)
  5. 134.
    Poster
    Dumont, M.; Kostka, A.; Sander, M.; Borbély, A.; Pyzalla, A. R.: Comparison of apatite crystallite sizes in sauropod and mammal fossil bones. 6th Bone diagenesis meeting, Poppelsdorfer Schloss, University of Bonn, Bonn, Deutschland (2009)
  6. 135.
    Poster
    Kostka, A.; Song, J.; Raabe, D.; Veehmayer, M.: Electron microscopy studies of bonding interface in explosively welded Ti/low carbon steel clads. XXI Conference on Applied Crystallography, Zakopane, Poland (2009)
  7. 136.
    Poster
    Kostka, A.; Song, J.; Raabe, D.; Veehmayer, M.: Microstructure and properties of interfaces formed by explosion cladding of Ti-Steel. XXI Conference on Applied Crystallography, Zakopane, Poland (2009)
  8. 137.
    Poster
    Springer, H.; Kostka, A.: Verbinden von hochfestem Stahl mit einer Aluminiumlegierung durch Rührreibschweißen. 4. GKSS Workshop, Geesthacht, Germany (2009)
  9. 138.
    Poster
    Coelho, R. S.; Kostka, A.; Pinto, H.; dos Santos, J.; Pyzalla, A. R.: Microstructure and residual stresses of high-strength steel to aluminium alloy friction stir welds. ICRS-8, Denver, USA (2008)
  10. 139.
    Poster
    Coelho, R. S.; Kostka, A.; dos Santos, J.; Pyzalla, A. R.: Friction stir welding of aluminum alloy to steel. Part I: Mechanical properties. VI-PNAM Symposium, Berlin, Germany (2008)
  11. 140.
    Poster
    Coelho, R. S.; Kostka, A.; dos Santos, J.; Pyzalla, A. R.: Friction stir welding of aluminum alloy to steel. Part II: Microstructure. VI-PNAM Symposium, Berlin, Germany (2008)
 
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