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The research aims to understand and reduce friction in MoS₂-based multilayer films under collision conditions in a microgravity environment.

Friction Performance of Molybdenum Disulfide-based Multilayer Films inCollision Sliding Contacts under a Vibration Environment

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The research aims to understand and reduce friction in MoS₂-based multilayer films under collision conditions in a microgravity environment.
Developed a collision sliding contact model using coarse-grained molecular dynamics.
Designed eight multilayer films composed of Au, MoS2, and G with various stacking orders.
Applied a modified reactive empirical bond-order potential to simulate Mo-S bond interactions.
The G/MoS₂/G/Au film shows an average friction force of 0.84 nN, a 95.09% reduction compared to pure Au (17.12 nN).
The Au/MoS₂/Au film exhibits higher friction than pure Au.
Heterogeneous structures and graphene's thermal conductivity contribute to reduced friction fluctuations.

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Randomized trial investigates friction reduction in multilayer films with graphene, suggesting improved performance for space applications.

Li et al. (2026) studied this question.

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Randomized trial investigates friction reduction in multilayer films with graphene, suggesting improved performance for space applications.