Hardness evaluates a material's capacity to resist mechanical put on and abrasion. Alumina ceramics surpass steel and tungsten carbide resources in hardness. About the Rockwell hardness scale, alumina ceramics vary from HRA80-90, putting them just below diamonds and previously mentioned stainless-steel. Iolite ceramics are ideal square mirror materials for lithography https://zirconia-ceramics34567.post-blogs.com/55321658/considerations-to-know-about-zirconia-ceramics