HfAlW4
metal· JVASP-100394· HfAlW4
HfAlW4 is a refractory metal alloy combining hafnium, aluminum, and tungsten, designed for extreme-temperature and high-strength applications. This material belongs to the family of advanced refractory alloys that prioritize performance in harsh environments where conventional superalloys reach their limits. While primarily explored in research and development contexts, HfAlW4-type compositions are investigated for aerospace propulsion systems, nuclear reactors, and industrial high-temperature equipment where thermal stability and structural integrity under severe conditions are critical.
aerospace propulsion systemshigh-temperature structural componentsnuclear reactor applicationsrefractory engine componentsextreme-environment materials researchthermal barrier systems
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
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.