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Title: Isothermal and athermal martensitic transformations in the B2-R-B19' sequence in Ni-Ti shape memory alloys
Authors: Kustov, S ×
Salas, D
Santamarta, R
Cesari, E
Van Humbeeck, Jan #
Issue Date: 2010
Publisher: Pergamon
Series Title: Scripta Materialia vol:63 pages:1240-1243
Abstract: The kinetics of accumulation of martensite/austenite during the direct/reverse two-stage B2–R–B190 martensitic transformation in NiTi has been studied by means of resistance measurements during interruptions of cooling/heating scans. Experimental results indicate that the R–B190 transformation is isothermal, whereas both direct and reverse B2–R and R–B2 transformations are perfectly athermal. The isothermal accumulation of the R-phase is also detected during B190 –R transformation. A good correspondence exists between the rate of the isothermal transformation and the transformation rate in an uninterrupted cooling cycle.
ISSN: 1359-6462
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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