Silicon carbide was the initial commercially important semiconductor material. A crystal radio "carborundum" (synthetic silicon carbide) detector diode was patented by Henry Harrison Chase Dunwoody in 1906. It located much early use in shipboard receivers. Silicon carbide is employed to be a assist and shelving material in higher temperature kilns https://caidenonmjg.wikiannouncement.com/8229017/a_simple_key_for_titanium_aluminum_carbide_unveiled