Schematic of a-C nanoparticle compression illustrating definition of real contact radius, rc, and change in diameter, d.
Evolution of (a) compressive force and (b) approximate contact stress as a function of percentage strain during a-C nanoparticle compression simulations.
Analysis of a-C nanoparticle deformation from MD simulations indicating (a) final strain after nanoparticle relaxation and (b) percentage of carbon atoms forming new C-C bonds as a function of percentage strain during nanoparticle compression.
Frictional and normal forces during tribological simulations of 2 and 4 nm diameter a-C nanoparticles with (a)0, (b) 25, and (c) 50 at. % H.
Friction load ramps from tribological simulations for a-C nanoparticles with diameters of (a) 2 nm and (b) 4 nm.
Composition and properties of amorphous carbon nanoparticles for MD simulations.
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