Nb3 Si1

semiconductor
· Nb3 Si1

Nb3Si is an intermetallic compound in the niobium-silicon system, belonging to the class of refractory intermetallics. It is primarily of research and development interest for high-temperature structural applications where exceptional stiffness and thermal stability are required, particularly in aerospace and power generation sectors seeking materials that maintain strength at temperatures where conventional superalloys begin to degrade. The material's appeal lies in its potential for ultra-high-temperature engines and thermal protection systems, though it remains largely experimental due to brittleness and processing challenges that limit current commercial deployment compared to established nickel-based superalloys and ceramic matrix composites.

high-temperature turbine componentsaerospace propulsion systemsrefractory structural materialsthermal protection systemsresearch and development applicationsadvanced engine applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.