MgB2
ceramicMgB₂ is an intermetallic ceramic compound combining magnesium and boron, notable for being a superconductor with a relatively high critical temperature (~39 K) that can be achieved using conventional cooling methods. While primarily a research and specialized material rather than a commodity engineering ceramic, MgB₂ is being explored for applications requiring superconducting performance at temperatures accessible without liquid helium, and its ceramic nature makes it mechanically stable compared to polymeric superconductors. Engineers consider MgB₂ when designing high-field magnets, fault current limiters, and cryogenic systems where the cost and complexity of liquid helium cooling is prohibitive, though material processing, wire fabrication, and long-term stability remain active development areas.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | — | Pa | — | — | |
| ↳ | — | Pa | — | — | |
Poisson's Ratio(ν) | — | - | — | — | |
Shear Modulus(G)2 entries | — | Pa | — | — | |
| ↳ | — | Pa | — | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — | |
Seebeck Coefficient(S) | — | µV/K | — | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf)2 entries | — | eV/atom | — | — | |
| ↳ | — | eV/atom | — | — |