Assertion: silicon carbide | /r/HasProperty | ceramic material
Facets:
Source sentences:
text: Silicon carbide is a ceramic material containing hard, abrasive grains that break down under pressure.
text: Both silicon carbide (SiC) and silicon nitride (Si 3 N 4 ) are ceramic materials which have been seriously considered and tested for gas-turbine engine components because of their ability to withstand thermal shock conditions inherent to gas-turbine operations.