Two-way shape memory effect induced by cold-rolling in Ti–Ni and Ti–Ni–Fe alloys

Wang, J.J.; Omori, Toshihiro; Sutou, Yuji; Kainuma, Ryosuke; Ishida, K.

doi:10.1016/j.scriptamat.2004.10.009

Cited by 38 publications

(13 citation statements)

References 17 publications

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“…Although the macroscopic TWSME under tension, shear, and compression has been demonstrated previously, [12][13][14][15][16][17][18] we recently showed that multiple training cycles is the form of spherical indentation could also induce TWSME. 19 However, unlike the previous study, Fig.…”

mentioning

confidence: 82%

Shape memory surfaces

Zhang¹,

Cheng²,

Grummon³

2006

Applied Physics Letters

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mentioning

confidence: 82%

Shape memory surfaces

Zhang¹,

Cheng²,

Grummon³

2006

Applied Physics Letters

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“…Shape memory effects are often studied in cold-rolled or hot-rolled Ti-Ni alloys. In these materials, anisotropy of the shape memory effect was previously demonstrated to be a consequence of the material texture [14,15]. The shape memory effect was studied using dilatometry in both reports.…”

Section: Resultsmentioning

confidence: 99%

Influence of the Texture and Strain on the Behaviour of Ni_53.6Mn_27.1Ga_19.3 and Ni_54.2Mn_29.4Ga_16.4 Shape Memory Alloys

Rudajevová

Pospíšil

2013

Journal of Materials

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Polycrystalline samples of Ni53.6Mn27.1Ga19.3 and Ni54.2Mn29.4Ga16.4 shape memory alloys were investigated using dilatometry. The longitudinal axes of the samples were perpendicular to the columnar grains. Both alloys showed positive shape memory effects. The martensitic phase transformation occurred without hysteresis in both alloys with transformation temperatures of 174°C for the Ni53.6Mn27.1Ga19.3 alloy and 253°C for the Ni54.2Mn29.4Ga16.4 alloy. The dilatation characteristics for both alloys were determined in three perpendicular directions. The strain associated with the internal stress at the interface between the two martensitic structures and the two grains affected the dilatation characteristics in the y and z directions (perpendicular to the longitudinal axis of the sample). The microstructure was determined for all the directions investigated. To investigate the mechanical history, a round cross-section of the Ni54.2Mn29.4Ga16.4 sample was machined using a milling machine along the longitudinal axis so that both sides of the sample were symmetrical. This sample treatment changed the dilatation characteristics of the martensite and austenite. The study and analysis of the dilatation characteristics of the thermal cycle showed the relaxation of internal stresses and the reorientation of the martensitic variants.

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“…From elastic constants of Ti-Ni-Fe alloy, it can be found that Fe addition increases C 44 (independent single-crystal elastic constants) appreciably. Two-way shape memory effect induced by cold-rolling in Ti-Ni-Fe alloys has been studied by Wang et al [19]. Recently, a lowfrequency internal friction of Ti 50 Ni 47 Fe 3 alloy has been measured in the temperature range of 100-400 K [20].…”

Section: Introductionmentioning

confidence: 99%

Structural and Mössbauer spectroscopic investigation of Fe substituted Ti–Ni shape memory alloys

Rai

Yadav

Subrahmanyam

et al. 2009

Journal of Alloys and Compounds

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Two-way shape memory effect induced by cold-rolling in Ti–Ni and Ti–Ni–Fe alloys

Cited by 38 publications

References 17 publications

Shape memory surfaces

Shape memory surfaces

Influence of the Texture and Strain on the Behaviour of Ni_53.6Mn_27.1Ga_19.3 and Ni_54.2Mn_29.4Ga_16.4 Shape Memory Alloys

Structural and Mössbauer spectroscopic investigation of Fe substituted Ti–Ni shape memory alloys

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Two-way shape memory effect induced by cold-rolling in Ti–Ni and Ti–Ni–Fe alloys

Cited by 38 publications

References 17 publications

Shape memory surfaces

Shape memory surfaces

Influence of the Texture and Strain on the Behaviour of Ni53.6Mn27.1Ga19.3 and Ni54.2Mn29.4Ga16.4 Shape Memory Alloys

Structural and Mössbauer spectroscopic investigation of Fe substituted Ti–Ni shape memory alloys

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Influence of the Texture and Strain on the Behaviour of Ni_53.6Mn_27.1Ga_19.3 and Ni_54.2Mn_29.4Ga_16.4 Shape Memory Alloys