Aluminum oxide (Al₂O₃), commonly known as alumina, is a hard ceramic compound widely used in engineering applications where wear resistance, electrical insulation, and thermal stability are critical. It is the primary constituent of corundum and serves as the base material for abrasives, refractories, and advanced ceramics across aerospace, electronics, and manufacturing industries. Engineers select alumina for its exceptional hardness, chemical inertness, and ability to maintain performance at high temperatures, making it a preferred choice over softer ceramics and polymers in demanding structural and functional applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 14,734.4 | ksi | — | ||
Shear Modulus(G) | -1,083.4 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.08855 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 6.000 | µB | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.8118 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.263 | eV/atom | — |