ArticleScience advances2019
Frictional weakening of slip interfaces.
Article in Science advances, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Feldspar reduces fault frictional healing rate under hydrothermal conditions.Nature communications · 2025Article
- Frictional strength regulated by roughness alignment.Science advances · 2025Article
- Molecular Probing of the Microscopic Pressure at Contact Interfaces.Journal of the American Chemical Society · 2024Article
- Resolving Multi-Asperity Contacts at the Nanoscale through Super-Resolution Fluorescence Imaging.The journal of physical chemistry letters · 2024Article
- Article
- Statistical laws of stick-slip friction at mesoscale.Nature communications · 2023Article
- Predicting frictional aging from bulk relaxation measurements.Nature communications · 2023Article
- Molecular Probing of the Stress Activation Volume in Vapor Phase Lubricated Friction.ACS applied materials & interfaces · 2023Article
- Local Shearing Force Measurement during Frictional Sliding Using Fluorogenic Mechanophores.The journal of physical chemistry letters · 2022Article
- The evolution of rock friction is more sensitive to slip than elapsed time, even at near-zero slip rates.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Non-monotonic Dynamics in the Onset of Frictional Slip.Tribology letters · 2022Article
- Photophysics of Fluorescent Contact Sensors Based on the Dicyanodihydrofuran Motif.Chemphyschem : a European journal of chemical physics and physical chemistry · 2021Article
- Machine Learning to Reveal Nanoparticle Dynamics from Liquid-Phase TEM Videos.ACS central science · 2020Article
- Ageing of Polymer Frictional Interfaces: The Role of Quantity and Quality of Contact.ACS applied materials & interfaces · 2020Article
- Fluorescence microscopy visualization of the roughness-induced transition between lubrication regimes.Science advances · 2019Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
When two objects are in contact, the force necessary to overcome friction is larger than the force necessary to keep sliding motion going. This difference between static and dynamic friction is usually attributed to the growth of the area of real contact between rough surfaces in time when the system is at rest. We directly measure the area of real contact and show that it actually increases during macroscopic slip, despite the fact that dynamic friction is smaller than static friction. This signals a decrease in the interfacial shear strength, the friction per unit contact area, which is due to a mechanical weakening of the asperities. This provides a novel explanation for stick-slip phenomena in, e.g., earthquakes.
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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.