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The functional properties in stress-assisted martensite aged CoNiAl [001]oriented single crystals

Abstract

It has been experimentally shown that the internal tensile stress fields [sigma]G=65 MPa are created by stress-induced martensite aging of ferromagnetic Co35Ni35Al30 single crystals. Internal stress fields create twoway shape memory effect with a giant reversible tensile strain of up to +7.3(±0.3) % with high cyclic stability during stress-free cooling/heating cycles

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