Dielectric Elastomers in Actuation and Energy Applications: Material Behavior and Design Strategies

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Notice

nThis is an unedited manuscript accepted for publication and provided as an Article in Press for early access at the author’s request. The article will undergo copyediting, typesetting, and galley proof review before final publication. Please be aware that errors may be identified during production that could affect the content. All legal disclaimers of the journal apply.n

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Year : 2025 [if 2224 equals=””]26/08/2025 at 2:53 PM[/if 2224] | [if 1553 equals=””] Volume : 03 [else] Volume : 03[/if 1553] | [if 424 equals=”Regular Issue”]Issue : [/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”][/if 424] 01 | Page : 13 18

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    Sai Preetham Anumasu,

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  1. Research Scholar, Department of Electronics and Communication Engineering, Vaagdevi Engineering College, Warangal, Telangana, India

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Abstract

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nDielectric elastomers (DEs), a class of electroactive polymers, have attracted significant attention for their ability to undergo large, reversible deformations under electric stimulation. This unique capability makes them highly suitable for a range of actuation and energy harvesting applications, especially in the emerging fields of soft robotics, flexible electronics, artificial muscles, and sustainable power generation systems. DEs offer compelling advantages such as low weight, mechanical flexibility, high energy density, and silent operation. Their electromechanical performance, however, is strongly influenced by intrinsic material properties, electrode compatibility, and external operating conditions. This review presents a comprehensive exploration of the fundamental material behavior of dielectric elastomers, including their electromechanical coupling mechanisms, hyperelastic modeling, and major failure modes such as electrical breakdown and mechanical fatigue. A detailed comparison of commonly used materials, such as acrylics and silicones, is provided alongside emerging nanocomposites and hybrid structures designed to enhance dielectric strength, stretchability, and energy conversion efficiency. The article also discusses essential design strategies for developing reliable DE-based devices. These include the choice of compliant electrodes, pre-straining techniques, multilayer configurations, and optimized geometries that maximize actuation force and energy output. Special attention is given to innovations in low-voltage operation, self-healing materials, and integrated sensing capabilities. In the context of energy applications, the principles and performance of dielectric elastomer generators (DEGs) are examined, highlighting their potential for wearable, biomechanical, and environmental energy harvesting. Despite recent progress, challenges remain in the scalable fabrication, long-term durability, and high-voltage operation of DE systems. The review concludes with an outlook on future research directions aimed at overcoming these limitations and achieving seamless integration of DEs into next-generation adaptive systems. Through this multidisciplinary approach, dielectric elastomers are poised to transform the landscape of smart materials and flexible electromechanical technologies.nn

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Keywords: Dielectric elastomers, soft actuators, energy harvesting, electroactive polymers, nanocomposites, artificial muscles, dielectric breakdown, electromechanical modelling

n[if 424 equals=”Regular Issue”][This article belongs to International Journal of Electro-Mechanics and Material Behaviour ]

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[/if 424][if 424 equals=”Special Issue”][This article belongs to Special Issue under section in International Journal of Electro-Mechanics and Material Behaviour (ijemb)][/if 424][if 424 equals=”Conference”]This article belongs to Conference [/if 424]

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How to cite this article:
nSai Preetham Anumasu. [if 2584 equals=”][226 wpautop=0 striphtml=1][else]Dielectric Elastomers in Actuation and Energy Applications: Material Behavior and Design Strategies[/if 2584]. International Journal of Electro-Mechanics and Material Behaviour. 09/07/2025; 03(01):13-18.

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How to cite this URL:
nSai Preetham Anumasu. [if 2584 equals=”][226 striphtml=1][else]Dielectric Elastomers in Actuation and Energy Applications: Material Behavior and Design Strategies[/if 2584]. International Journal of Electro-Mechanics and Material Behaviour. 09/07/2025; 03(01):13-18. Available from: https://journals.stmjournals.com/ijemb/article=09/07/2025/view=0

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[if 424 not_equal=””]Regular Issue[else]Published[/if 424] Subscription Review Article

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Volume 03
[if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”][/if 424] 01
Received 27/05/2025
Accepted 26/06/2025
Published 09/07/2025
Retracted
Publication Time 43 Days

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