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For the combinations of a Si 3 N 4 pin and four kinds of ceramic disk (SiC, Si 3 N 4 , Al 2 O 3 , ZrO 2 ), a friction and wear test was carried out in three kinds of lubricants (temperature: 20.01±1.0°C) [ethanol, ethanol + copper particles (1 wt.%; average diameter d = 236 nm), and ethanol + copper particles + oleic acid (1 vol.%)] in order...
For the combinations of an Si 3 N 4 pin and five kinds of ceramic disk (SiC, Si 3 N 4 , Al 2 O 3 , ZrO 2 , TiC), a friction and wear test was carried out in ethanol and in ethanol containing iron particles (1 wt.%, average diameter d = 200 nm, d = 12 μm under cohered condition) under a load in the range 5.88-11.50 N, at a sliding velocity of...
Friction and wear tests were carried out with an Si 3 N 4 pin and five kinds of ceramic disks at elevated temperatures (25 o C~600 o C) in vacuum (5.8x10 -3 Pa) under a normal load of 6.02 N and a sliding speed of 0.2 m/s. For each test, the extent of damages on sliding worn surfaces, the wear rate and the friction coefficient were measured. Moreover, analysing...
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