Study on Powder Metallurgical Preparation of NiCoMnIn Alloy Foam

Abstract:

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The magnetic shape-memory alloy NiCoMnIn shows, in monocrystalline form, a large reversible magnetic-field-induced strain (MFIS). But it is difficult to achieve the properties in polycrystalline NiCoMnIn alloys. The technique of powder metallurgical preparation of NiCoMnIn foam was studied to improve the properties of polycrystalline NiCoMnIn alloys in the present paper. We introduced a processing route including choosing appropriate space-holding fillers, sintering NiCoMnIn alloy and the filling agent with appropriate grain size. The sintering temperature and time and the optimum volume fraction of the filling agent were determined by analysis of the structure of sintered bulk foams.

Info:

Periodical:

Materials Science Forum (Volumes 654-656)

Main Theme:

Edited by:

Jian-Feng Nie and Allan Morton

Pages:

1331-1334

DOI:

10.4028/www.scientific.net/MSF.654-656.1331

Citation:

G. Wang et al., "Study on Powder Metallurgical Preparation of NiCoMnIn Alloy Foam", Materials Science Forum, Vols. 654-656, pp. 1331-1334, 2010

Online since:

June 2010

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$35.00

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