Nb4SiNi — Properties & Data | MatWorld

Nb4SiNi

metal

· Nb4SiNi

Nb₄SiNi is a high-temperature intermetallic compound combining niobium, silicon, and nickel, belonging to the family of refractory metal silicides and nickel-based intermetallics. This material is primarily of research and development interest for aerospace and high-temperature structural applications where exceptional strength retention at elevated temperatures is critical. Its notable advantage over conventional superalloys lies in its lower density combined with refractory properties, making it a candidate for next-generation jet engine components and hypersonic vehicle structures, though commercial adoption remains limited compared to established nickel-based superalloys.

aerospace turbine componentshigh-temperature structural applicationshypersonic vehicle structuresresearch and developmentrefractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	190.6	GPa	DFT
Shear Modulus(G)	99.10	GPa	DFT

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.794	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01520	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3204	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Nb4SiNi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control