[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 …

The transition from Elasto‐Hydrodynamic to Mixed Regimes in Lubricated Friction of Soft Solid Surfaces

H Dong, N Moyle, H Wu, CY Khripin, CY Hui… - Advanced …, 2023 - Wiley Online Library
Lubricated contacts in soft materials are common in various engineering and natural
settings, such as tires, haptic applications, contact lenses, and the fabrication of soft …

Enhancement of elastohydrodynamic friction by elastic hysteresis in a periodic structure

N Moyle, H Wu, C Khripin, F Bremond, CY Hui… - Soft matter, 2020 - pubs.rsc.org
Lubricated contacts are present in many engineering and biological systems involving soft
solids. Typical mechanisms considered for controlling the sliding friction in such lubricated …

Dynamically tunable friction via subsurface stiffness modulation

S Sharifi, C Rux, N Sparling, G Wan… - Frontiers in Robotics …, 2021 - frontiersin.org
Currently soft robots primarily rely on pneumatics and geometrical asymmetry to achieve
locomotion, which limits their working range, versatility, and other untethered functionalities …

Implementation of anisotropic soft pads in a surgical gripper for secure and gentle grip on vulnerable tissues

P van Assenbergh, C Culmone… - Proceedings of the …, 2021 - journals.sagepub.com
Current surgical grippers rely on friction grip, where normal loads (ie pinch forces) are
translated into friction forces. Operating errors with surgical grippers are often force-related …

Adhesion and friction enhancement of film-terminated structures against rough surfaces

Z He, NM Moyle, CY Hui, B Levrard, A Jagota - Tribology Letters, 2017 - Springer
A number of biomimetic and bioinspired micron-scale surface structures have been
developed in recent years with unique surface properties such as highly enhanced and …

Indentation versus rolling: dependence of adhesion on contact geometry for biomimetic structures

N Moyle, Z He, H Wu, CY Hui, A Jagota - Langmuir, 2018 - ACS Publications
Numerous biomimetic structures made from elastomeric materials have been developed to
produce enhancement in properties such as adhesion, static friction, and sliding friction. As …

Pull-off and friction forces of micropatterned elastomers on soft substrates: the effects of pattern length scale and stiffness

P van Assenbergh, M Fokker… - Beilstein Journal of …, 2019 - beilstein-journals.org
The adhesiveness of biological micropatterned adhesives primarily relies on their geometry
(eg, feature size, architecture) and material properties (eg, stiffness). Over the last few …

Crack propagation pattern and trapping mechanism of rolling a rigid cylinder on a periodically structured surface

H Wu, N Moyle, A Jagota, CY Khripin, F Bremond… - Extreme Mechanics …, 2019 - Elsevier
Recent experiments on the rolling of a cylinder with a poly-dimethylsiloxane (PDMS) film-
terminated ridge-channel surface structure against a flat rigid plate have shown significant …

Anisotropic Stiffness Adhesives for High Shear Forces on Soft Substrates

P van Assenbergh, F Haring… - Advanced Materials …, 2020 - Wiley Online Library
Reversible attachment on soft substrates is useful in a range of applications, including soft
robotics and soft‐tissue surgical instrumentation. On rigid substrates, the use of …