Electronic applications of silicon carbide like mild-emitting diodes (LEDs) and detectors in early radios were being 1st demonstrated around 1907. SiC is used in semiconductor electronics devices that work at high temperatures or high voltages, or both. Aside from crystal excellent, issues with the interface of SiC with silicon dioxide https://www.quora.com/profile/Trevor-Flatcher-2/Application-and-Development-of-Silicon-Carbide-in-Bulletproof-Ceramics-Silicon-Carbide-in-Bulletproof-Ceramics-Applica