Title: Martensitic transformation in Fe-Mn-(Si,Ge,Sn) alloys
Authors: Monastyrsky, GE ×
Koval, YN
Firstov, GS
Van Humbeeck, Jan #
Issue Date: Oct-2003
Publisher: E d p sciences
Series Title: Journal de physique iv vol:112 pages:355-358
Abstract: Effect of Ge and Sn on the martensitic transformation and shape memory effect in Fe-Mn(22-26at.%)-Si alloys is investigated by the substitution of Si by Ge or Sn from 1.5% to 6at. %. It was found that addition of Ge causes the transformation to perform in several steps. Substitution of Sn makes this effect more superior. Resistometry, calorimetric and dilatometer measurements reveal that one of the transformation stages is c lose to second order. It is characterized by small values of the thermal hysteresis and heat effect. Shape memory effect measurements have shown that only one of the transformations has a distinct shear nature. At the same time the relief typical for martensitic transformation was observed by optical microscopy. The nature of both stages of transformation is discussed.
ISSN: 1155-4339
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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