TaAlFe2 — Properties & Data | MatWorld

TaAlFe2

metal

· JVASP-40348· TaAlFe2

TaAlFe2 is an intermetallic compound combining tantalum, aluminum, and iron, representing a high-density metallic system with potential for structural or functional applications in extreme environments. This material belongs to the refractory metal alloy family and appears to be primarily of research interest rather than established commercial production, with composition and properties being actively investigated for specialized high-temperature or wear-resistant applications. The high density and refractory nature suggest potential relevance in aerospace, defense, or high-temperature engineering contexts where conventional alloys reach performance limits.

high-temperature structural applicationsrefractory metal researchaerospace/defense componentswear-resistant coatingsextreme environment engineeringintermetallic compound development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	10.31	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.2240	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	52.02	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00232	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00184	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-256.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	212.1	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4871	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.

TaAlFe2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control