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This study aims to understand how atomic force microscopy sliding loads affect wear mechanisms in graphene surfaces.

Effect of Atomic Force Microscopy Sliding-Contact Load on Graphene–Perfluorophenyl Azide Nanosurface Wear for Friction Decay Measurements and Mechanochemical Reaction Kinetics Analysis

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This study aims to understand how atomic force microscopy sliding loads affect wear mechanisms in graphene surfaces.
Conducted friction-time measurements under varying AFM tip normal contact loads.
Analyzed reaction rates to assess mechanochemical kinetics of C–N bond dissociation.
Proposed a unified mechanism for the interaction between load and frictional decay.
Frictions decreased exponentially with increased load, indicating accelerated bond dissociation.
Higher contact stresses significantly lowered the activation barrier for C–N bond cleavage.
AFM-induced reactions led to modified interfacial chemistry, thereby reducing overall friction.

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Randomized trial investigates load effects on friction decay in graphene layers, suggesting new engineering techniques.

Boonpuek et al. (2026) studied this question.

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