A study of the functional capabilities of shape memory alloy-based 4D printed analogous bending actuators

Ladakhan, Saiyadali H.; Sreesha, Rakshith B.; Adinarayanappa, Somashekara M.

doi:10.1007/s40964-023-00456-1

Cited by 5 publications

(1 citation statement)

References 43 publications

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“…vibration isolation [76][77][78], and actuators [79,80]. However, their presence in this field is not yet established, and 4D-printing technologies have not been explored in depth.…”

Section: Metal Alloys and Ceramicsmentioning

confidence: 99%

Application of 3D and 4D Printing in Electronics

Aronne,

Polano,

Bertana

et al. 2024

JMMP

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Nowadays, additive manufacturing technologies have impacted different engineering sectors. Three- and four-dimensional printing techniques are increasingly used in soft and flexible electronics thanks to the possibility of working contemporarily with several materials on various substrates. The materials portfolio is wide, as well as printing processes. Shape memory polymers, together with composites, have gained great success in the electronic field and are becoming increasingly popular for fabricating pH, temperature, humidity, and stress sensors that are integrated into wearable, stretchable, and flexible devices, as well as for the fabrication of communication devices, such as antennas. Here, we report an overview of the state of the art about the application of 4D printing technologies and smart materials in electronics.

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“…vibration isolation [76][77][78], and actuators [79,80]. However, their presence in this field is not yet established, and 4D-printing technologies have not been explored in depth.…”

Section: Metal Alloys and Ceramicsmentioning

confidence: 99%

Application of 3D and 4D Printing in Electronics

Aronne,

Polano,

Bertana

et al. 2024

JMMP

View full text Add to dashboard Cite

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Enhancement of interfacial shear strength of shape memory alloy–polylactic acid composite and predictive modeling through cohesive zone modeling approach for 4D printing

Ladakhan,

Rajan,

James

et al. 2024

Int J Adv Manuf Technol

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Investigating enhanced interfacial adhesion in multi-material filament 3D printing: a comparative study of t and Mickey Mouse geometries

Frascio,

Zafferani,

Monti

et al. 2024

Prog Addit Manuf

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In this study, a novel design to enhance interfacial adhesion in multi-material components produced through filament 3D printing techniques is presented. Multi-material additive manufacturing often faces challenges related to poor chemical affinity between polymers and physical discontinuities between component sub-parts. To address these issues, an interface geometry that leverages both diffusion and mechanical adhesion mechanisms to facilitate interlocking is proposed. The performance of the widely used T-shaped geometry, as per existing literature, with a newly introduced Mickey Mouse lobate modified shape is compared. Additionally, the linear butt interface, which relies solely on chemical diffusion is investigated. For the study, Polylactic Acid and Polyethylene Terephthalate as the material pairs was selected. The findings underscore the significant impact of interface geometry on the mechanical properties of multi-material components. Using the ultimate tensile strength of the standard ISO 527-2 specimen as a reference, a butt interface results in a residual strength of 60% for homogeneous materials, but only 10% for heterogeneous materials. The adverse impact of the heterogeneous materials configuration was alleviated by the interfaces, leading to an enhancement of 7% and 58% for the Mickey Mouse and T geometries, respectively. While the Mickey Mouse geometry effectively reduces stress concentrations, it falls short of achieving the desired improvement in multi-material adhesion between parts. This outcome suggests the necessity of further research, particularly towards optimizing the proposed geometry for enhanced performance.

show abstract

A study of the functional capabilities of shape memory alloy-based 4D printed analogous bending actuators

Cited by 5 publications

References 43 publications

Application of 3D and 4D Printing in Electronics

Application of 3D and 4D Printing in Electronics

Enhancement of interfacial shear strength of shape memory alloy–polylactic acid composite and predictive modeling through cohesive zone modeling approach for 4D printing

Investigating enhanced interfacial adhesion in multi-material filament 3D printing: a comparative study of t and Mickey Mouse geometries

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