NbNi3 — Properties & Data | MatWorld

NbNi3

Name: NbNi3
Brand: MatWorld

metal

· NbNi3

NbNi₃ is an intermetallic compound combining niobium and nickel in a 1:3 ratio, belonging to the family of transition-metal intermetallics that exhibit high stiffness and moderate density. This material is primarily explored in aerospace and high-temperature applications where weight reduction and structural rigidity are critical, particularly as a potential reinforcement phase in superalloys and composite systems rather than as a standalone engineering material. NbNi₃ offers advantages over conventional nickel-based superalloys through improved specific stiffness, though its brittleness at lower temperatures and processing challenges make it most relevant in research contexts for next-generation turbine materials and high-performance structural composites.

aerospace engine componentssuperalloy reinforcement phaseshigh-temperature compositeslightweight structural applicationsresearch and development materialsintermetallic matrix composites

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	210.8	GPa	DFT
↳	210.0	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	76.56	GPa	DFT
↳	89.12	GPa	DFT · OptB88vdW

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, or test environment.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	8.945	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000772	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000760	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	1.363	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	1.323	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.00880	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.3019	eV/atom	DFT · OptB88vdW
↳	-0.1741	eV/atom	Measured

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, or test environment.

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

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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.

NbNi3

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