Nb5Si4Cu4

metal

· JVASP-21973· Nb5Si4Cu4

Nb5Si4Cu4 is an experimental niobium-silicon-copper intermetallic compound belonging to the family of refractory metal silicides. This material is primarily of research interest for high-temperature structural applications where conventional superalloys reach their limits, particularly in aerospace and power generation sectors seeking improved performance at extreme temperatures.

High-temperature structural componentsAerospace propulsion researchRefractory intermetallic developmentAdvanced materials researchExtreme environment applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.193	kg/m³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Seebeck Coefficient(S)	5.680	µV/K	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.4272	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.

Nb5Si4Cu4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control