A Study of Free Recovery in a Fe – Mn – Si – Cr Shape Memory Alloy


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Abstract

Video recording of the free recovery of “hot shape” (typical for the austenitic domain) in shape-memory alloy Fe – 28% Mn – 6% Si – 5% Cr during heating of specimens with a “cold shape” typical for the martensitic domain is performed. Prior to each measurement the specimens are deformed by caliber bending at room temperature in martensitic condition. The thermomechanical training consists in 10 cycles of bending – heating – cooling. Displacements of the free ends of the specimens are plotted as a function of the temperature and the plots are used to determine the critical temperatures of the reverse martensitic transformation.

About the authors

I.-P. Spiridon

The “Gheorge Asachi” Technical University of Iaşi, Faculty of Materials Science and Engineering

Author for correspondence.
Email: pricopbogdan@ymail.com
Romania, Iaşi

N.-M. Lohan

The “Gheorge Asachi” Technical University of Iaşi, Faculty of Materials Science and Engineering

Email: pricopbogdan@ymail.com
Romania, Iaşi

M.-G. Suru

The “Gheorge Asachi” Technical University of Iaşi, Faculty of Materials Science and Engineering

Email: pricopbogdan@ymail.com
Romania, Iaşi

E. Mihalache

The “Gheorge Asachi” Technical University of Iaşi, Faculty of Materials Science and Engineering

Email: pricopbogdan@ymail.com
Romania, Iaşi

L.-G. Bujoreanu

The “Gheorge Asachi” Technical University of Iaşi, Faculty of Materials Science and Engineering

Email: pricopbogdan@ymail.com
Romania, Iaşi

B. Pricop

The “Gheorge Asachi” Technical University of Iaşi, Faculty of Materials Science and Engineering

Email: pricopbogdan@ymail.com
Romania, Iaşi

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