HfCo2 — Properties & Data | MatWorld

HfCo2

Name: HfCo2
Brand: MatWorld

metal

· HfCo2

HfCo2 is an intermetallic compound combining hafnium and cobalt, belonging to the Laves phase family of metallic materials known for high hardness and thermal stability. This material is primarily of research interest for high-temperature structural applications, where its hafnium content provides exceptional refractory properties and oxidation resistance. Engineers consider HfCo2 and related hafnium intermetallics for extreme environments—aerospace engines, nuclear systems, and advanced manufacturing—where conventional superalloys reach their limits, though commercial adoption remains limited compared to established alternatives.

high-temperature aerospace componentsrefractory metal applicationsnuclear reactor materialsoxidation-resistant coatingsresearch/experimental intermetallicsextreme environment engineering

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	22,696.8	ksi	DFT
↳	29,563	ksi	DFT · OptB88vdW
↳	22,696.8	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.02743	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3100	-	DFT · OptB88vdW
↳	0.2954	-	DFT · PBE
Shear Modulus(G)3 entries	10,752.2	ksi	DFT
↳	13,099.8	ksi	DFT · OptB88vdW
↳	10,752.2	ksi	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.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4447	lb/in³	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	0.00178	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00180	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-26.74	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-26.98	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.4025	eV/atom	DFT · OptB88vdW
↳	-0.4084	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

Regulatory Screening

Environmental

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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.

HfCo2

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