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Author Malard, B.; Pilch, J.; Sittner, P.; Delville, R.; Curfs, C. pdf  doi
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  Title In situ investigation of the fast microstructure evolution during electropulse treatment of cold drawn NiTi wires Type A1 Journal article
  Year (down) 2011 Publication Acta materialia Abbreviated Journal Acta Mater  
  Volume 59 Issue 4 Pages 1542-1556  
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)  
  Abstract Microstructural changes taking place during the heat treatment of cold-worked NiTi alloy are of key interest in shape memory alloy technology, since they are responsible for setting the austenite shape and functional properties of the heat-treated alloy. In this work, microstructural evolution during non-conventional electropulse heat treatment of thin NiTi filaments was investigated in a unique high-speed in situ synchrotron X-ray diffraction experiment with simultaneous evaluation of the tensile force and electrical resistivity of the treated wire. The in situ results provide direct experimental evidence on the evolution of the internal stress and density of defects during fast heating from 20 °C to ∼700 °C. This evidence is used to characterize a sequence of dynamic recovery and recrystallization processes responsible for the microstructure and superelastic functional property changes during the electropulse treatments.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Oxford Editor  
  Language Wos 000287265100023 Publication Date 2010-12-11  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1359-6454; ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 5.301 Times cited 48 Open Access  
  Notes Approved Most recent IF: 5.301; 2011 IF: 3.755  
  Call Number UA @ lucian @ c:irua:98372 Serial 1583  
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