A Fast Numerical Approach for Investigating Adhesion Strength in Fibrillar Structures: Impact of Buckling and Roughness DOI Creative Commons
Turgay Eray

Lubricants, Journal Year: 2024, Volume and Issue: 12(8), P. 294 - 294

Published: Aug. 19, 2024

This study presents a numerical investigation into the adhesion strength of micro fibrillar structures, incorporating statistical analysis and effects excessive pre–load leading to fibril buckling. Fibrils are modeled as soft cylinders using Euler–Bernoulli beam theory, with buckling conditions described across three distinct states, each affecting adhesive properties fibrils. Iterative simulations analyze how varies pre–load, roughness, number fibrils, work adhesion. Roughness is both in heights texture rigid counter surface, following normal distribution single variance parameter. Results indicate that roughness significantly influence strength, causing substantial dramatic reduction also finds decreases exponentially increasing line theoretical expectations. The findings highlight importance parameters determining strength. offers valuable insights complex interactions offering scalable solution for rapid assessment various rough surface loading scenarios.

Language: Английский

Smart Mechanical Structures and Design for Advanced Adhesives: A Review DOI Creative Commons
J.S. Kim,

Geonjun Choi,

Seongjin Park

et al.

International Journal of Precision Engineering and Manufacturing, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 15, 2025

Abstract Smart adhesives with engineered mechanical structures have emerged as a transformative technology broad applications in fields such wearable healthcare devices, bioengineering, and soft robotics. By integrating advanced architectures like kirigami, tessellations, multilayered designs, these exhibit enhanced surface properties that lead to superior interfacial adhesion. Such designs offer critical advantages—improved stretchability, substrate conformability, increased adhesion strength—over conventional adhesives. This review explores the range of used smart demonstrates how innovations address limitations traditional Additionally, we discuss their flexible electronics,

Language: Английский

Citations

0
Controlled Dry Adhesion of Bio-Inspired Fibrillar Polymers: Mechanics, Strategies, and Recent Advances DOI Open Access
Shuo Xu, Anahita Emami,

Meysam Khaleghian

et al.

Materials, Journal Year: 2025, Volume and Issue: 18(7), P. 1620 - 1620

Published: April 2, 2025

Recent advancements in tunable adhesion technologies have broadened the scope of applications for bio-inspired fibrillar adhesives. This review highlights latest developments controlled mechanisms, with a focus on systems. We examine key theoretical foundations and progress controllable adhesion, including contact mechanics, splitting efficiency, fracture interplay between friction. Various factors influencing strength are discussed alongside optimization approaches innovative designs that enhance performance. The also covers recent research switchable strategies, an emphasis methods regulating surface contact, stress distribution, shear force control. Finally, we identify primary challenges future directions field, outlining areas require further exploration technological development. paper aims to provide comprehensive overview current offer insights guide evolving field technologies.

Language: Английский

Citations

0
Mucus-Inspired Supramolecular Adhesives: Exploring the Synergy between Dynamic Networks and Functional Liquids DOI Creative Commons
Changshun Hou, Wenqing He, Xi Yao

et al.

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: April 14, 2025

The exceptional physicochemical and mechanical properties of mucus have inspired the development dynamic mucus-based materials for a wide range applications. Mucus's combination noncovalent interactions rich liquid phases confer properties. This perspective explores synergy between networks functional liquids in mucus-inspired supramolecular adhesives. It delves into biological principles underlying mucus's regulation adhesive properties, fundamentals design, transformative potential these biomedical Finally, this proposes directions molecular engineering materials, emphasizing need interdisciplinary approaches to harness their full sustainable

Language: Английский

Citations

0
Reversible adhesion in multi-ferroic medium: Effects of shear and field potentials DOI
Fei Wu, Q.-Q. Zhang, Songbo Zhang

et al.

Journal of the Mechanics and Physics of Solids, Journal Year: 2025, Volume and Issue: unknown, P. 106138 - 106138

Published: April 1, 2025

Language: Английский

Citations

0
Mass transfer strategies for MicroLED chip assembly: pick-and-place techniques and fluidic self-assembly methods DOI Creative Commons
Jinsheng Zhao, Xiangyu Li, Yangmin Li

et al.

International Journal of Smart and Nano Materials, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 38

Published: May 6, 2025

Language: Английский

Citations

0
A Fast Numerical Approach for Investigating Adhesion Strength in Fibrillar Structures: Impact of Buckling and Roughness DOI Creative Commons
Turgay Eray

Lubricants, Journal Year: 2024, Volume and Issue: 12(8), P. 294 - 294

Published: Aug. 19, 2024

This study presents a numerical investigation into the adhesion strength of micro fibrillar structures, incorporating statistical analysis and effects excessive pre–load leading to fibril buckling. Fibrils are modeled as soft cylinders using Euler–Bernoulli beam theory, with buckling conditions described across three distinct states, each affecting adhesive properties fibrils. Iterative simulations analyze how varies pre–load, roughness, number fibrils, work adhesion. Roughness is both in heights texture rigid counter surface, following normal distribution single variance parameter. Results indicate that roughness significantly influence strength, causing substantial dramatic reduction also finds decreases exponentially increasing line theoretical expectations. The findings highlight importance parameters determining strength. offers valuable insights complex interactions offering scalable solution for rapid assessment various rough surface loading scenarios.

Language: Английский

Citations

0