HfAl8Fe4
metal· JVASP-153595· HfAl8Fe4
HfAl8Fe4 is a hafnium-aluminum-iron intermetallic compound representing a research-phase material within the hafnium alloy family. This composition combines hafnium's exceptional refractory properties with aluminum and iron to potentially achieve improved high-temperature strength, corrosion resistance, and workability compared to pure hafnium or conventional refractory metals. The material remains largely in experimental development; engineers would consider it for applications demanding extreme thermal stability and chemical resistance where conventional superalloys reach their limits.
aerospace engine componentsrefractory applicationshigh-temperature structural materialsmaterials researchextreme environment testingadvanced alloy development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | lb/in³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
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.