Anisotropic friction, deformation, and fracture of single-crystal silicon carbide at room temperature
Kazuhisa Miyoshi, Donald H. Buckley, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Lewis Research Center
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1979 - Science - 21 pages
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anisotropic fracture Anisotropic friction anisotropics of friction argon at atmospheric atmospheric pressure basal plane carbide during sliding coefficient of friction contact pressure cracking along 0001 cracking along 1010 crystallographic orientation diamond rider sliding dry argon due to surface exhibits the lowest experiments were conducted Figure 13 flow and surface fracture during sliding fracture pit friction and deformation friction traces greatest resistance groove width grown straight downward involves plastic flow Lateral cross section Lewis Research Center loads of 0.1 lOlO lowest coefficient micrographs of grooves mineral oil NASA permanent grooves plane is due plane of silicon plastic deformation plastic yielding primarily controlled Primary crack propagates parallel 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 Sliding friction experiments sliding in 0001 sliding velocity slip system 1010 surfaces are primarily surfaces in mineral surfaces is due tensile stress