Toughness and hardness of glass

Hello, do you want to ask the difference between toughness and hardness of glass? The difference between toughness and hardness of glass lies in the difference of test performance. The hardness of glass refers to its ability to resist hard objects pressing into its surface, which is usually calculated by Mohs hardness table. Glass is an amorphous inorganic nonmetallic material, and its hardness is usually between 6 and 7, depending on its chemical composition and manufacturing process. The toughness of glass refers to its resistance to external forces such as hammering, stamping, cutting and stretching. The toughness of glass is usually lower than hardness, because toughness is usually related to the brittleness of materials, and glass is a brittle material. The toughness and hardness of glass are one of the important performance indexes of glass materials, which are closely related to the chemical composition, manufacturing technology and application environment of glass.