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Recent studies have shown that micro-vibrations (10-100 μm amplitude, 10 to 100 Hz) can reduce sliding wear 50%, especially rigid body rockings of the slider. In this article, clearances between a carbon brush (called a carbon sample in this article) and its holder were reduced while sliding over a slightly wavy (8 to 20 μm) steel surface. Undulations of the counter surface induced rigid body vibrations...
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