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Copper matrix solid self‐lubricant composites were prepared by powder metallurgy route using copper powders and NbSe2 nanofiber or sheet. The tribological properties of the as‐prepared materials were estimated by a ball‐on‐disc on UMT‐2 multi‐function friction and wear tester under dry conditions in a normal laboratory atmosphere (55‐70% relative humidity, 15‐25 °C). The NbSe2 nanofiber or sheet was...
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