Structure: Boron Carbide Has a rombohedral crystal structure that is typical to icosahedron-based borides. It can accommodate a variety of Carbon compositions (nearly B10C) without switching its individual structure. In the resistance or electrical arc furnace, boric anhydride (B2O3) is carbothermically diminished at temperatures exceeding 2000°C to make boron carbide. https://busbar-processing-machine94704.blogsmine.com/34810187/a-review-of-chromium-carbide-in-stainless-steel