Shear Instability Control of Hybrid Small-Scale Plates Embedded in a Polymer Matrix via Shape Memory Alloy Nanofibers

Farajpour, Mohammad Reza; Danesh, Mohammad; Shokrani, Mohammad Hossein; Farajpour, Ali

doi:10.3390/mi17030295

Open AccessArticle

Shear Instability Control of Hybrid Small-Scale Plates Embedded in a Polymer Matrix via Shape Memory Alloy Nanofibers

¹

Department of Mechanical Engineering, Isfahan University of Technology, Isfahan 8415683111, Iran

²

The Queen Elizabeth Hospital, Woodville South, SA 5011, Australia

³

School of Medicine, Robinson Research Institute, College of Health, Adelaide University, Adelaide, SA 5005, Australia

^*

Author to whom correspondence should be addressed.

Micromachines 2026, 17(3), 295; https://doi.org/10.3390/mi17030295

Submission received: 21 December 2025 / Revised: 12 February 2026 / Accepted: 25 February 2026 / Published: 27 February 2026

(This article belongs to the Special Issue Advanced Functional Shape Memory Alloys and Their Applications)

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Abstract

A refined mathematical framework is developed to investigate the ability of shape memory alloy (SMA) nanofibers to control the shear instability of a hybrid small-scale plate made of three layers containing nanofibers. The middle layer is reinforced by SMA nanofibers, while typical nanofibers are utilized to reinforce other layers. Using the Brinson theory, the nonlocal theory and the principle of virtual work, the scale-dependent coupled equations of the reinforced ultrasmall plate are presented. A differential quadrature technique is then applied as a solution procedure for different edge conditions. The influences of various factors, including the coefficients of the polymer matrix, the recovery stress, orientation and volume fraction of SMA nanofibers on the control ability are studied. It is concluded that the shear instability capacity of small-scale plates can be reasonably controlled by using SMA nanofibers. Particularly, higher recovery stresses result in higher critical shear loads. As the SMA volume fraction increases, the shear instability load remarkably increases.

Keywords: instability control; small-scale plates; SMA nanofibers; shear capacity; modified elasticity

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MDPI and ACS Style

Farajpour, M.R.; Danesh, M.; Shokrani, M.H.; Farajpour, A. Shear Instability Control of Hybrid Small-Scale Plates Embedded in a Polymer Matrix via Shape Memory Alloy Nanofibers. Micromachines 2026, 17, 295. https://doi.org/10.3390/mi17030295

AMA Style

Farajpour MR, Danesh M, Shokrani MH, Farajpour A. Shear Instability Control of Hybrid Small-Scale Plates Embedded in a Polymer Matrix via Shape Memory Alloy Nanofibers. Micromachines. 2026; 17(3):295. https://doi.org/10.3390/mi17030295

Chicago/Turabian Style

Farajpour, Mohammad Reza, Mohammad Danesh, Mohammad Hossein Shokrani, and Ali Farajpour. 2026. "Shear Instability Control of Hybrid Small-Scale Plates Embedded in a Polymer Matrix via Shape Memory Alloy Nanofibers" Micromachines 17, no. 3: 295. https://doi.org/10.3390/mi17030295

APA Style

Farajpour, M. R., Danesh, M., Shokrani, M. H., & Farajpour, A. (2026). Shear Instability Control of Hybrid Small-Scale Plates Embedded in a Polymer Matrix via Shape Memory Alloy Nanofibers. Micromachines, 17(3), 295. https://doi.org/10.3390/mi17030295

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

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Shear Instability Control of Hybrid Small-Scale Plates Embedded in a Polymer Matrix via Shape Memory Alloy Nanofibers

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