Počet záznamů: 1  

In situ TEM observation of stress-induced martensitictransformations and twinning processes in CuAlNi single crystals

  1. 1.
    0347975 - FZÚ 2011 RIV GB eng J - Článek v odborném periodiku
    Zárubová, Niva - Gemperlová, Juliana - Gemperle, Antonín - Dlabáček, Zdeněk - Šittner, Petr - Novák, Václav
    In situ TEM observation of stress-induced martensitictransformations and twinning processes in CuAlNi single crystals.
    Acta Materialia. Roč. 58, č. 15 (2010), s. 5109-5119. ISSN 1359-6454. E-ISSN 1873-2453
    Grant CEP: GA AV ČR(CZ) IAA200100627
    Výzkumný záměr: CEZ:AV0Z10100520
    Klíčová slova: CuAlNi shape memory alloy * martensitic transformation * in situ TEM straining
    Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
    Impakt faktor: 3.781, rok: 2010

    Stress-induced martensitic transformations and twinning processes were studied in thin foils of CuAlNi single crystals strained in situ in a transmission electron microscope. The nucleation and growth of the martensite plates were monitored for three transformation processes known from bulk experiments: (i) the transformation of austenite into 2H martensite at low-stress levels; (ii) the twinning/detwinning processes in 2H martensite; and (iii) the transformation between austenite and 18R martensite at higher stress levels. The morphology of the austenite/martensite habit planes was examined, and the existence of planar interfaces between a single variant of 2H martensite and austenite on the microscopic level was proven.
    Trvalý link: http://hdl.handle.net/11104/0188610

     
     
Počet záznamů: 1  

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