[HTML][HTML] Functional surface microstructures inspired by nature–From adhesion and wetting principles to sustainable new devices

E Arzt, H Quan, RM McMeeking, R Hensel - Progress in Materials Science, 2021 - Elsevier
In the course of evolution nature has arrived at startling materials solutions to ensure
survival. Investigations into biological surfaces, ranging from plants, insects and geckos to …

Engineering micropatterned dry adhesives: from contact theory to handling applications

R Hensel, K Moh, E Arzt - Advanced Functional Materials, 2018 - Wiley Online Library
Reversible adhesion is the key functionality to grip, place, and release objects
nondestructively. Inspired by nature, micropatterned dry adhesives are promising …

Machine Learning‐Based and Experimentally Validated Optimal Adhesive Fibril Designs

D Son, V Liimatainen, M Sitti - Small, 2021 - Wiley Online Library
Setae, fibrils located on a gecko's feet, have been an inspiration of synthetic dry microfibrillar
adhesives in the last two decades for a wide range of applications due to unique properties …

Bioinspired micropillar array with micropit for robust and strong adhesion

B Zhu, H Cao, Z Chen, W Wang, Z Shi, K Xiao… - Chemical Engineering …, 2023 - Elsevier
Robust and strong adhesion is highly required for reversible adhesions. Inspired by gecko
setae and octopus sucker, micropillar array with frustum of conical micropits (FCM) was …

Composite pillars with a tunable interface for adhesion to rough substrates

SCL Fischer, E Arzt, R Hensel - ACS applied materials & …, 2017 - ACS Publications
The benefits of synthetic fibrillar dry adhesives for temporary and reversible attachment to
hard objects with smooth surfaces have been successfully demonstrated in previous studies …

Designing an adhesive pillar shape with deep learning-based optimization

Y Kim, C Yang, Y Kim, GX Gu… - ACS applied materials & …, 2020 - ACS Publications
Over the past decades, significant effort has been made to improve the adhesive properties
of adhesive pillars, by searching for pillar shapes with optimized interfacial stress …

[HTML][HTML] Numerical simulation of the edge stress singularity and the adhesion strength for compliant mushroom fibrils adhered to rigid substrates

RG Balijepalli, MR Begley, NA Fleck… - International Journal of …, 2016 - Elsevier
Bio-inspired adhesion of micropatterned surfaces due to intermolecular interactions has
attracted much research interest over the last decade. Experiments show that the best …

[HTML][HTML] Numerical study of adhesion enhancement by composite fibrils with soft tip layers

RG Balijepalli, SCL Fischer, R Hensel… - Journal of the …, 2017 - Elsevier
Bio-inspired fibrillar surfaces with reversible adhesion to stiff substrates have been
thoroughly investigated over the last decade. In this paper we propose a novel composite …

A design strategy for mushroom-shaped microfibrils with optimized dry adhesion: Experiments and finite element analyses

X Zhang, Y Wang, R Hensel… - Journal of Applied …, 2021 - asmedigitalcollection.asme.org
Enhanced dry adhesion of micropatterned polymeric surfaces has been frequently
demonstrated. Among the design parameters, the cap geometry plays an important role to …

Funnel‐shaped microstructures for strong reversible adhesion

SCL Fischer, K Groß, O Torrents Abad… - Advanced Materials …, 2017 - Wiley Online Library
The potential of a new design of adhesive microstructures in the micrometer range for
enhanced dry adhesion is investigated. Using a two‐photon lithography system, complex 3D …