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Proceedings Paper

Changes of thermal hysteresis during homogenisation process of Ni-Mn-Ga polycrystalline alloy
Author(s): Teodor Breczko; Miroslaw Bramowicz
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Paper Abstract

In this paper we present results of the investigation of polycrystalline Ni52,2Mn21,3Ga26,5 alloy before and after homogenisation at 1173K processed for different time intervals. We investigated the influence of duration of homogenisation on kinetics of reversible martensitic transformation (RMT). In order to present changes of kinetics of RMT, thermal hysteresis was determined based on calorimetric (DSC) investigation. Our results suggested that thermal annealing at 1173K caused plastic deformation of crystal lattice in the investigated alloy.

Paper Details

Date Published: 10 April 2007
PDF: 5 pages
Proc. SPIE 6597, Nanodesign, Technology, and Computer Simulations, 659713 (10 April 2007); doi: 10.1117/12.726770
Show Author Affiliations
Teodor Breczko, Univ. of Warmia and Mazury in Olsztyn (Poland)
Miroslaw Bramowicz, Univ. of Warmia and Mazury in Olsztyn (Poland)

Published in SPIE Proceedings Vol. 6597:
Nanodesign, Technology, and Computer Simulations
Alexander I. Melker; Teodor Breczko, Editor(s)

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