References to silicon carbide heating elements exist from the early 20th century when they were produced by Acheson's Carborundum Co. within the U.S. and EKL in Berlin. Silicon carbide supplied improved operating temperatures compared with metallic heaters. [47] Enhanced fracture toughness in SiC armor is usually facilitated through the phenomenon https://x.com/Anumhsite/status/1809239511005901176