Hf3C
ceramic· JVASP-38587· Hf3C
Hafnium carbide (Hf3C) is an ultra-high-temperature ceramic compound belonging to the refractory carbide family, valued for extreme thermal stability and hardness at elevated temperatures. It appears primarily in advanced aerospace and defense applications where materials must withstand extreme heat and thermal cycling, such as rocket nozzles, hypersonic vehicle leading edges, and thermal protection systems. Hafnium carbide is notable among refractory ceramics for its combination of melting point and oxidation resistance, making it a candidate material for next-generation propulsion and re-entry systems where conventional ceramics fail.
hypersonic thermal protectionrocket nozzles and combustion chambersrefractory coatingsextreme temperature aerospacecutting tool inserts
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.4740 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -4.053 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 1.299 | eV/atom | — | ||
Formation Energy(ΔHf) | 0.7740 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.