Anisotropic Friction, Deformation, and Fracture of Single-crystal Silicon Carbide at Room TemperatureNational Aeronautics and Space Administration, Scientific and Technical Information Branch, 1979 - Friction - 21 pages |
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anisotropic fracture Anisotropic friction anisotropies of friction apex argon at atmospheric basal plane carbide during sliding coefficient of friction contact pressure cracking along 0001 cracking along 1010 cracks propagate crystallographic orientation diamond rider sliding dry argon due to surface experiments were conducted Figure 13 flow and surface fracture during sliding fracture pit friction and deformation friction traces greatest resistance Groove Sliding direction groove width grown straight downward involves plastic flow Lateral cross section loads of 0.1 Lodged wear debris lowest coefficient micrographs of grooves mineral oil permanent grooves plane is due plane of silicon plastic deformation plastic yielding primarily controlled Primary crack resistance to abrasion resolved shear stress room temperature Scanning electron micrographs Secondary crack silicon carbide 0001 silicon carbide surfaces single-crystal silicon carbide Sliding direction Groove Sliding friction experiments sliding in 0001 sliding velocity slip system 1010 surface cracking surfaces are primarily surfaces in mineral tensile stress