Preparation and tribological properties of multi-layer graphene/silicon dioxide composites-based solid lubricant coatings at elevated temperatures.

R Soc Open Sci · 2023 · PMC9905988 · PMID 36778960

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an increasing trendno p-value reported

Figure 6 a shows the frictional curve at 400°C, COFs were decreased until 150 s, the COFs present an increasing trend between 150 s and 300 s, and then gradually stabilize.

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