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Physical and metallurgical aspects of deformation behaviour of iron aluminides with extremely low plasticity

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    0375855 - FZÚ 2012 ES eng C - Conference Paper (international conference)
    Šíma, V. - Kratochvíl, P. - Kopeček, Jaromír - Hanus, P. - Schindler, I.
    Physical and metallurgical aspects of deformation behaviour of iron aluminides with extremely low plasticity.
    FeAl 2011. Madrid: Facultad de Químicas. Universidad Complutense de Madrid, 2011 - (Trujillo, F.; Morris, D.), s. 121-124. ISBN N.
    [Discussion Meeting on the Development of Innovative Iron Aluminium Alloys FeAl 2011. Lanzarote (ES), 05.10.2011-07.10.2011]
    R&D Projects: GA ČR(CZ) GAP107/10/0438
    Institutional research plan: CEZ:AV0Z10100520
    Keywords : iron aluminides * EBSD method * scanning electron microscopy * recrystallization * texture
    Subject RIV: BM - Solid Matter Physics ; Magnetism

    Deformation and structure-forming processes have been studied in hot-formed Fe-40at.%Al - based castings. The quality of castings has been optimized by utilizing high-power ultrasound for solidifying of the melt. The subsequent thermomechanical treatment of such an as-cast alloy is usually difficult, mainly because of fraying and cracking of the formed alloy. The main reason for the poor quality of such hot-formed products is the thermal shock arising at the surface of the hot casting, when the casting is coming into contact with the cold roller or press. A special stainless steel bandage of the casting solved the problem successfully.

    Permanent Link: http://hdl.handle.net/11104/0208406

     
     
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