Tensile characteristics and shape memory effect of Ni56Mn21Co4Ga19 high-temperature shape memory alloy

descriptionPublicationkeyboard_double_arrow_right Article 01 May 2008 China (People's Republic of) English Publisher:Elsevier BVJournal:Scripta Materialia, volume 58, pages 918-921 (issn: 1359-6462,

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Authors: Ma, Y. Q.; Yang, S. Y.; Wang, C. P.; Liu, X. J.;

doi: 10.1016/j.scriptamat.2008.01.013

Tensile characteristics and shape memory effect of Ni56Mn21Co4Ga19 high-temperature shape memory alloy

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Abstract

Ni56Mn21Co4Ga19 alloys have been successfully hot-rolled to smooth plates of 0.5 mm thickness, and the mechanical and shape memory characteristics were investigated by tensile tests. The results show that the tensile stress and strain of dual-phases Ni56Mn21 Co4Ga19 alloy are 491 MPa and 8.17%, respectively. Its martensitic transformation starting temperature is 412 °C, and the recoverable strain due to shape memory effect is 2.1% under a residual strain of 4.3%.

Country

China (People's Republic of)

Related Organizations

Xiamen University
China (People's Republic of)

Keywords

MARTENSITIC-TRANSFORMATION, NI54MN25GA21, DUCTILITY, SUPERELASTICITY

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