Nb4Al
metal· JVASP-99946· Nb4Al
Nb4Al is an intermetallic compound in the niobium-aluminum system, belonging to a class of refractory metal aluminides under investigation for high-temperature structural applications. This material is primarily of research and developmental interest rather than established production use, with potential applications in aerospace and energy sectors where lightweight, high-temperature strength is valuable. Nb4Al and related niobium aluminides are explored as alternatives to nickel-based superalloys for ultra-high temperature environments, though challenges in processing, brittleness control, and cost-effectiveness currently limit wider industrial adoption.
high-temperature aerospace structuresrefractory applicationsturbine engine components (developmental)research/experimental materialslightweight structural alloys
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.