ArticleACS applied materials & interfaces2020
Ageing of Polymer Frictional Interfaces: The Role of Quantity and Quality of Contact.
Article in ACS applied materials & interfaces, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed.
- Frictional instabilities as an alternative to friction coefficient in fine touch perception.eLife · 2026Article
- Predicting Long-Time-Scale Kinetics under Variable Experimental Conditions with Kinetica.jl.Journal of chemical theory and computation · 2024Article
- Resolving Multi-Asperity Contacts at the Nanoscale through Super-Resolution Fluorescence Imaging.The journal of physical chemistry letters · 2024Article
- 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
- AFM Characterization of Temperature Effect on the SU-8 Mechanical and Tribological Properties.Polymers · 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
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
When two objects are in contact, the force necessary for one to start sliding over the other is larger than the force necessary to keep the sliding motion going. This difference between static and dynamic friction is thought to result from a reduction in the area of real contact upon the onset of slip. Here, we resolve the structure in the area of contact on the molecular scale by means of environment-sensitive molecular rotors using (super-resolution) fluorescence microscopy and fluorescence lifetime imaging. We demonstrate that the macroscopic friction force is not only controlled by the area of real contact but also controlled by the "quality" of that area of real contact, which determines the friction per unit contact area. We show that the latter is affected by the local density of the contacting surfaces, a parameter that can be expected to change in time at any interface that involves glassy, amorphous materials.
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Registered trials
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