Functionally graded shape memory alloys: Design, fabrication and experimental evaluation

BS Shariat, Q Meng, AS Mahmud, Z Wu, R Bakhtiari… - Materials & …, 2017‏ - Elsevier
Functionally graded shape memory alloys have the advantage of combining the
functionalities of the shape memory effect and those of functionally graded structures. By …

Phase transformation and deformation behavior of NiTi-Nb eutectic joined NiTi wires

L Wang, C Wang, LC Zhang, L Chen, W Lu… - Scientific Reports, 2016‏ - nature.com
NiTi wires were brazed together via eutectic reaction between NiTi and Nb powder
deposited at the wire contact region. Phase transformation and deformation behavior of the …

Controlled initiation and propagation of stress-induced martensitic transformation in functionally graded NiTi

BS Shariat, S Bakhtiari, H Yang, Y Liu - Journal of Alloys and Compounds, 2021‏ - Elsevier
Near-equiatomic NiTi alloys are known to exhibit a thermoelastic B2–B19′ martensitic
transformation, which gives rise to their unique properties of the shape memory effect and …

Snap instability of shallow laminated cylindrical shells reinforced with functionally graded shape memory alloy wires

G Soltanieh, MZ Kabir, M Shariyat - Composite Structures, 2017‏ - Elsevier
In the present paper, the snap buckling of the shallow SMA hybrid composite (SMAHC)
cylindrical shells is investigated proposing the new algorithm with regard to the spatial and …

Modelling and experimental investigation of geometrically graded shape memory alloys with parallel design configuration

BS Shariat, Y Liu, S Bakhtiari - Journal of Alloys and Compounds, 2019‏ - Elsevier
The shape memory effect and pseudoelastic effect of NiTi shape memory alloys occur within
respectively a narrow temperature and stress window associated with its martensitic …

Nonuniform transformation behaviour of NiTi in a discrete geometrical gradient design

BS Shariat, R Bakhtiari, Y Liu - Journal of Alloys and Compounds, 2019‏ - Elsevier
Shape memory alloys exhibit unique thermomechanical properties, eg, the shape memory
effect and the pseudoelasticity. By proper geometrical gradient design, these alloys can be …

A discrete particle model study of the effect of temperature and geometry on the pseudoelastic response of shape memory alloys

V Ananchaperumal, S Vedantam, M Uchimali - International Journal of …, 2022‏ - Elsevier
In this paper, the effects of temperature and geometry on the hysteresis behavior of shape
memory alloy (SMA) under stress induced transformations are studied. We used a discrete …

Pseudoelastic behaviour of perforated NiTi shape memory plates under tension

BS Shariat, Y Liu, G Rio - Intermetallics, 2014‏ - Elsevier
This paper reports the tensile deformation behaviour of near-equiatomic NiTi plates with
circular, elliptical and square holes. The investigation is done both experimentally and by …

Strain sensitivity enhancement based on periodic deformation in hollow core fiber

Y Zheng, PP Shum, S Liu, B Li, JL Auguste… - Optics Letters, 2020‏ - opg.optica.org
Recent progress in optical fiber Mach–Zehnder interferometers (MZIs) has gained many
achievements in sensing application. However, the strain sensitivity of optical fiber MZIs is …

Computational and experimental analyses of martensitic transformation propagation in shape memory alloys

BS Shariat, S Bakhtiari, H Yang, Y Liu - Journal of Alloys and Compounds, 2019‏ - Elsevier
This study investigates the creation of heterogeneous martensitic transformation field in
shape memory alloy structures with geometrical nonuniformity through experiments and …