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Friction and wear behaviors of in-situ Cf/Al2O3, Cf/Al2O3, and Al2O3 were examined under dry sliding, water, PAO oil and PAO+carbon nanotube (CNT) grease at applied load of 6.86N by ball-on-disk sliding tribotester. Both in-situ Cf/Al2O3 and Cf/Al2O3 were fabricated by hot-press sintering in vacuum. In-situ Cf/Al2O3 used cheap and flexible pre-oxidized polyacrylonitrile fibers to in-situ transform...
The corrosion-erosion behaviour and mechanisms of in-situ transformed carbon fiber reinforced alumina ceramic matrix composite (Cf/Al2O3), homemade alumina (H-Al2O3) and commercial alumina (C-Al2O3) were investigated by a modified MSH tester. The both in-situ Cf/Al2O3 and H-Al2O3 were fabricated by hot-press sintering in vacuum. The corrosion-erosion experiments for the three kinds of specimens were...
An idealized model consisting of a thermal conductor and a thermal insulator separated by a thin layer of lubricating fluid is developed to investigate thermoelastic instability with fluid lubrication. The governing equations are solved for the critical speed. A new dimensionless parameter H 0 is defined to predict the critical speed. Furthermore, the effects of various materials and the wavelength...
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