Nb4Si7Ni4

metal

· JVASP-141311· Nb4Si7Ni4

Nb4Si7Ni4 is an intermetallic compound combining niobium, silicon, and nickel, belonging to the family of refractory metal silicides and multi-component intermetallics. This material is primarily of research and experimental interest, studied for high-temperature structural applications where its combination of refractory character (from niobium) and ceramic-like silicide phases offers potential for extreme-temperature performance. The material is notable within the intermetallic research community as a candidate for applications demanding both thermal stability and strength retention at elevated temperatures, though engineering adoption remains limited compared to established superalloys or conventional composites.

high-temperature structural materialsrefractory intermetallicsaerospace propulsion researchexperimental alloy developmentthermal management systemsmaterials research and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.603	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000600	eV/atom	—
Formation Energy(ΔHf)	-0.5390	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.

Nb4Si7Ni4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control