Paper Title:
Effect of Temperature and Strain Rate on Microstructure of Dynamically Recrystallized Ni45Co5 Mn36.7In13.3 Alloy
  Abstract

In recent years, there has been an increasing interest in magnetic shape memory alloys (MSMAs) due to their unique ability to produce very large output strains and rapid response frequency. NiMnCoIn is a new-type MSMAs in which a reversible magnetic-field-induced phase transformation is observed. The microstructural evolution in the process of dynamic recrystallization in polycrystalline Ni45Co5Mn36.7In13.3 was studied in the present paper. The experimental results showed that the high deformation temperature and slow strain rate were necessary to achieve perfect dynamic-recrystallizing microstructure in Ni45Co5Mn36.7In13.3 alloy. Precipitates with two sizes were observed. The content of Co in precipitates was higher than that in the matrix alloy, while the content of In was lower than that in the matrix alloy.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
2188-2191
DOI
10.4028/www.scientific.net/MSF.654-656.2188
Citation
G. Wang, W. R. Zhao, Y. D. Liu, C. Y. Wang, Y. D. Wang, L. Zuo, "Effect of Temperature and Strain Rate on Microstructure of Dynamically Recrystallized Ni45Co5 Mn36.7In13.3 Alloy", Materials Science Forum, Vols. 654-656, pp. 2188-2191, 2010
Online since
June 2010
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