NbSiAs

metal
· NbSiAs

NbSiAs is a ternary intermetallic compound combining niobium, silicon, and arsenic, representing an emerging class of materials in high-temperature and advanced structural applications research. This compound belongs to the family of refractory intermetallics and is primarily investigated for potential use in extreme-environment engineering where conventional alloys reach their thermal or mechanical limits. While not yet widely deployed in mainstream industrial production, NbSiAs and related ternary systems are being studied for applications requiring combinations of high stiffness, thermal stability, and density advantages over traditional superalloys or ceramic composites.

high-temperature structural researchrefractory intermetallic compoundsaerospace propulsion systemsadvanced materials developmentextreme environment engineering

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
153.0
GPa
147.2
GPa
Poisson's Ratio(ν)
0.2400
-
Shear Modulus(G)2 entries
104.1
GPa
96.01
GPa
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
6.503
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-12.58
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.5329
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.