ArticleProceedings of the National Academy of Sciences of the United States of America2019
Linking energy loss in soft adhesion to surface roughness.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 118 citations in OpenAlex.
- Soft, Flexible, and Stretchable Platforms for Tissue-Interfaced Bioelectronics.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Frictional strength regulated by roughness alignment.Science advances · 2025Article
- Validation of a Multiscale Hysteresis Mechanics Model in Predicting Oily Shoe-Floor Friction Across Surfaces With Varying Finishes.Journal of tribology · 2025Article
- Unraveling a Molecular Adhesion Mechanism at Complex Polymer-Metal Interfaces.ACS applied materials & interfaces · 2024Article
- Small-scale roughness entraps water and controls underwater adhesion.Science advances · 2024Article
- Wetting-enhanced adhesion of photo-polymerized supramolecular adhesives for both smooth and rough surfaces.Chemical science · 2024Article
- Why soft contacts are stickier when breaking than when making them.Science advances · 2024Article
- Evaluating scanning electron microscopy for the measurement of small-scale topography.Surface topography : metrology and properties · 2024Article
- Exploring the dynamics of viscoelastic adhesion in rough line contacts.Scientific reports · 2023Article
- Predicting frictional aging from bulk relaxation measurements.Nature communications · 2023Article
- Understanding How Cells Probe the World: A Preliminary Step towards Modeling Cell Behavior?International journal of molecular sciences · 2023Article
- Core-shell dry adhesives for rough surfaces via electrically responsive self-growing strategy.Nature communications · 2022Article
- Polar bear paw pad surface roughness and its relevance to contact mechanics on snow.Journal of the Royal Society, Interface · 2022Article
- Surface Area and Local Curvature: Why Roughness Improves the Bioactivity of Neural Implants.Langmuir : the ACS journal of surfaces and colloids · 2022Article
- Modeling the surface topography dependence of friction, adhesion, and contact compliance.MRS bulletin · 2022Review
- How surface stress transforms surface profiles and adhesion of rough elastic bodies.Proceedings. Mathematical, physical, and engineering sciences · 2020Article
- Physicochemical and Mechanical Performance of Freestanding Boron-Doped Diamond Nanosheets Coated with C:H:N:O Plasma Polymer.Materials (Basel, Switzerland) · 2020Article
- Linking energy loss in soft adhesion to surface roughness.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A mechanistic understanding of adhesion in soft materials is critical in the fields of transportation (tires, gaskets, and seals), biomaterials, microcontact printing, and soft robotics. Measurements have long demonstrated that the apparent work of adhesion coming into contact is consistently lower than the intrinsic work of adhesion for the materials, and that there is adhesion hysteresis during separation, commonly explained by viscoelastic dissipation. Still lacking is a quantitative experimentally validated link between adhesion and measured topography. Here, we used in situ measurements of contact size to investigate the adhesion behavior of soft elastic polydimethylsiloxane hemispheres (modulus ranging from 0.7 to 10 MPa) on 4 different polycrystalline diamond substrates with topography characterized across 8 orders of magnitude, including down to the angstrom scale. The results show that the reduction in apparent work of adhesion is equal to the energy required to achieve conformal contact. Further, the energy loss during contact and removal is equal to the product of the intrinsic work of adhesion and the true contact area. These findings provide a simple mechanism to quantitatively link the widely observed adhesion hysteresis to roughness rather than viscoelastic dissipation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.