Hystoelastic deformation behaviour of geometrically graded NiTi shape memory alloys

Shariat, Bashir S.; Liu, Yinong; Rio, Gérard

doi:10.1016/j.matdes.2013.03.091

Cited by 38 publications

(32 citation statements)

References 19 publications

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“…This provides nonuniform transformation initiation in the structure, resulting in the global stress–strain variation to deviate from the original flat stress plateau. The geometrical gradient can be created along the loading direction [10] , [11] or perpendicular to the loading direction [12] .…”

Section: Geometrically Graded Nitimentioning

confidence: 99%

Experiments on deformation behaviour of functionally graded NiTi structures

Shariat

Mahmud

et al. 2017

Data in Brief

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Functionally graded NiTi structures benefit from the combination of the smart properties of NiTi and those of functionally graded structures. This article provides experimental data for thermomechanical deformation behaviour of microstructurally graded, compositionally graded and geometrically graded NiTi alloy components, related to the research article entitled “Functionally graded shape memory alloys: design, fabrication and experimental evaluation” (Shariat et al., 2017) [1]. Stress–strain variation of microstructurally graded NiTi wires is presented at different heat treatment conditions and testing temperatures. The complex 4-way shape memory behaviour of a compositionally graded NiTi strip during one complete thermal cycle is demonstrated. The effects of geometrical design on pseudoelastic behaviour of geometrically graded NiTi plates over tensile loading cycles are presented on the stress–strain diagrams.

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Section: Geometrically Graded Nitimentioning

confidence: 99%

Experiments on deformation behaviour of functionally graded NiTi structures

Shariat

Mahmud

et al. 2017

Data in Brief

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“…With the same argument, the hole-affected lengths are also marked in samples (b) and (c). It is seen that the hole affected length is approximately triple the diameter of the hole and that when hole diameter covers 33% of the gauge length, the entire sample behaves like a functionally graded material [36]. This information is useful for material design for functionally graded NiTi components.…”

Section: Experimental Investigationmentioning

confidence: 88%

Pseudoelastic behaviour of perforated NiTi shape memory plates under tension

2014

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“…Geometrically graded NiTi can provide a stress or strain gradient for progressive transformation. Based on the relationship between the loading direction and the gradient direction, the various designs of geometrically graded NiTi can be categorized into two types: the series design [13], in which the loading direction is parallel to the gradient direction, and the parallel design [14], in which the loading direction is perpendicular to the gradient direction. Parallel design configuration can be created in continuous structures (e.g.…”

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

Experimental and numerical data for transformation propagation in NiTi shape memory structures

et al. 2019

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This article provides experimental and numerical data for the propagation of stress-induced martensitic transformation within NiTi structures with uniform and nonuniform geometries. This article is related to the research paper entitled “Computational and experimental analyses of martensitic transformation propagation in shape memory alloys” [1]. The heterogeneous transformation evolutions within geometrically graded NiTi structures are presented by thermal images recorded by a high-resolution infrared camera during tensile loading. The modelling of transformation and deformation behaviours of those structures is presented by finite element computational method.

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Hystoelastic deformation behaviour of geometrically graded NiTi shape memory alloys

Cited by 38 publications

References 19 publications

Experiments on deformation behaviour of functionally graded NiTi structures

Experiments on deformation behaviour of functionally graded NiTi structures

Pseudoelastic behaviour of perforated NiTi shape memory plates under tension

Experimental and numerical data for transformation propagation in NiTi shape memory structures

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