HfFe2 — Properties & Data | MatWorld

HfFe2

Name: HfFe2
Brand: MatWorld

metal

· HfFe2

HfFe2 is an intermetallic compound combining hafnium and iron in a 1:2 stoichiometric ratio, belonging to the class of refractory metal intermetallics. This material exhibits high stiffness and density, making it of interest for applications requiring exceptional rigidity and thermal stability. While primarily explored in research and specialized aerospace contexts, HfFe2 represents the broader family of hafnium-based intermetallics valued for extreme environments where conventional alloys reach their performance limits.

high-temperature structural applicationsaerospace componentsrefractory intermetallics researchthermal barrier systemsmaterials for extreme environmentsstiffness-critical design

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	162.0	GPa	DFT
↳	184.7	GPa	DFT · OptB88vdW
↳	162.0	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.1219	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3600	-	DFT · OptB88vdW
↳	0.2831	-	DFT · PBE
Shear Modulus(G)3 entries	82.18	GPa	DFT
↳	59.68	GPa	DFT · OptB88vdW
↳	82.18	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)	11.49	kg/m³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	Measured
↳	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	5.978	µB	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.

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.00720	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.3612	eV/atom	DFT · OptB88vdW
↳	-0.1275	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.

HfFe2

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