Fig. 2: Friction and wear behaviors of graphite at 300 K and 50 K in vacuum. | Nature Communications

Fig. 2: Friction and wear behaviors of graphite at 300 K and 50 K in vacuum.

From: Acquisition of molecular rolling lubrication by self-curling of graphite nanosheet at cryogenic temperature

Fig. 2

a Friction coefficient curves of graphite at normal of 300 K and cryogenic temperature of 50 K in vacuum. b Three-dimensional (3D) profile and wear scar depth after friction at 300 K. c 3D profile and wear scar depth after friction at 50 K, and d friction coefficient curve of graphite under alternating temperatures (300 K and 50 K) in vacuum.

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