Aluminum Oxide can exist in various crystalline phases. By far the most stable form could be the hexagonal crystalline structure. This structure is recognized as the alpha period of aluminum oxide. It is the strongest structure of alumina. Wide-bandgap materials are creating their way into other applications also. Info centers, https://siliconcarbidenozzle70257.educationalimpactblog.com/52237508/the-best-side-of-silicon-carbide-grinding-wheel