Nb6C5 — Properties & Data | MatWorld

Nb6C5

metal

· Nb6C5

Nb₆C₅ is a refractory metal carbide compound belonging to the niobium-carbon system, characterized by high hardness and thermal stability typical of transition metal carbides. This material is primarily of research and specialized industrial interest for high-temperature structural applications, thermal barrier coatings, and wear-resistant components where conventional alloys fail, though it remains less commercially established than other refractory carbides like tungsten carbide or tantalum carbide. Engineers consider Nb₆C₅ when designing extreme-environment systems requiring the combination of carbide hardness with niobium's damage tolerance and oxidation resistance at elevated temperatures.

high-temperature coatingsrefractory compositeswear-resistant toolsaerospace thermal protectionresearch applications

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	238.9	GPa	DFT
↳	237.9	GPa	DFT · OptB88vdW
↳	238.9	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.1412	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2300	-	DFT · OptB88vdW
↳	0.2247	-	DFT · PBE
Shear Modulus(G)3 entries	161.0	GPa	DFT
↳	160.6	GPa	DFT · OptB88vdW
↳	161.0	GPa	DFT · PBE

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.

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Property	Value	Unit	Conditions	Source
Density(ρ)	7.456	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000284	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000296	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-3.480	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-3.737	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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5910	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

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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.

Nb6C5

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