Electric resistance variation of NiTi shape memory alloy wires in thermomechanical tests: Experiments and simulation

Václav  Novák; Petr Sittner; Gidnahalli Narayana Reddy  Dayananda; Francisco Manuel Braz Fernandes; Karimbi Koosappa Mahesh

doi:10.1016/j.msea.2007.02.162

Electric resistance variation of NiTi shape memory alloy wires in thermomechanical tests: Experiments and simulation

Václav Novák, Petr Sittner, Gidnahalli Narayana Reddy Dayananda, Francisco Manuel Braz Fernandes, Karimbi Koosappa Mahesh

Research output: Contribution to journal › Article › peer-review

99 Citations (Scopus)

Abstract

Evolution of the electrical resistivity during thermal and mechanical tests of NiTi wires showing R-phase transformation was investigated by experiments and micromechanical model simulations considering B2-R-B19 transformations. Since reasonable agreement between the simulated and experimental mechanical and electrical resistivity responses was achieved, the apparently curious behavior of electrical resistivity could be rationalized through the model simulations in terms of the activity of multiple transformation and deformation processes taking place in the activated NiTi wires.

Original language	English
Pages (from-to)	127-133
Number of pages	7
Journal	Materials Science And Engineering A-Structural Materials Properties Microst
Volume	481
Issue number	NA
DOIs	https://doi.org/10.1016/j.msea.2007.02.162
Publication status	Published - 25 May 2008

Keywords

NiTi
Thermomechanical tests
Electric resistance
Wires

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10.1016/j.msea.2007.02.162

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Novák, Václav ; Sittner, Petr ; Dayananda, Gidnahalli Narayana Reddy ; Braz Fernandes, Francisco Manuel ; Mahesh, Karimbi Koosappa. / Electric resistance variation of NiTi shape memory alloy wires in thermomechanical tests: Experiments and simulation. In: Materials Science And Engineering A-Structural Materials Properties Microst. 2008 ; Vol. 481, No. NA. pp. 127-133.

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abstract = "Evolution of the electrical resistivity during thermal and mechanical tests of NiTi wires showing R-phase transformation was investigated by experiments and micromechanical model simulations considering B2-R-B19 transformations. Since reasonable agreement between the simulated and experimental mechanical and electrical resistivity responses was achieved, the apparently curious behavior of electrical resistivity could be rationalized through the model simulations in terms of the activity of multiple transformation and deformation processes taking place in the activated NiTi wires.",

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Electric resistance variation of NiTi shape memory alloy wires in thermomechanical tests: Experiments and simulation. / Novák, Václav ; Sittner, Petr; Dayananda, Gidnahalli Narayana Reddy ; Braz Fernandes, Francisco Manuel ; Mahesh, Karimbi Koosappa.

In: Materials Science And Engineering A-Structural Materials Properties Microst, Vol. 481, No. NA, 25.05.2008, p. 127-133.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Electric resistance variation of NiTi shape memory alloy wires in thermomechanical tests: Experiments and simulation

AU - Novák, Václav

AU - Sittner, Petr

AU - Dayananda, Gidnahalli Narayana Reddy

AU - Braz Fernandes, Francisco Manuel

AU - Mahesh, Karimbi Koosappa

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KW - Wires

KW - Thermomechanical tests

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KW - Thermomechanical tests

KW - Electric resistance

KW - Wires

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SN - 0921-5093

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Electric resistance variation of NiTi shape memory alloy wires in thermomechanical tests: Experiments and simulation

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Keywords

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