B₂O₃ (boron trioxide) is an inorganic ceramic oxide compound that serves as a fundamental building block in glass and ceramic formulations rather than as a structural material in its pure form. In industry, B₂O₃ is primarily valued as a glass former and flux in borosilicate glasses, enamels, and glazes, where it lowers melting temperatures and improves chemical durability and thermal shock resistance. Engineers and manufacturers choose boron oxide-containing systems for applications demanding chemical inertness, low thermal expansion, and high-temperature stability—making it essential in laboratory glassware, cookware, electronic substrates, and specialized coatings where conventional silicate glasses would be inadequate.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 44,616.5 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2700 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 25,884.9 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.4527 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | DFT · OptB88vdW | ||
| ↳ | 0.000 | eV | DFT · TBmBJ | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.000353 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.000332 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -4.650 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | -4.423 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.1748 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data