Hf4N3 is a hafnium nitride ceramic compound belonging to the refractory ceramic family, characterized by extremely high hardness and thermal stability. This material is primarily explored in research and advanced aerospace contexts for ultra-high-temperature applications and wear-resistant coatings, where its exceptional hardness and chemical inertness offer advantages over conventional nitride ceramics in extreme environments. Engineers consider hafnium nitrides when conventional materials like titanium nitride or aluminum nitride reach their thermal or mechanical limits, particularly in hypersonic vehicle components and cutting tool applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 232.2 | GPa | — | ||
Poisson's Ratio(ν) | 0.3000 | - | — | ||
Shear Modulus(G) | 111.3 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 13.48 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -0.7400 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04880 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.650 | eV/atom | — |