PrAl8Fe4 — Properties & Data | MatWorld

PrAl8Fe4

metal

· JVASP-38510· PrAl8Fe4

PrAl8Fe4 is an intermetallic compound combining praseodymium, aluminum, and iron—a rare-earth metal system belonging to the family of high-strength, lightweight intermetallics. This material is primarily of research and developmental interest rather than established production use; such Pr-Al-Fe compounds are investigated for aerospace and high-temperature structural applications where the combination of low density with ceramic-like stiffness and thermal stability offers potential advantages over conventional aluminum alloys or superalloys. The material's value lies in its potential for extreme-environment engineering where weight reduction and thermal performance are critical, though manufacturing scalability and brittleness typical of intermetallics remain engineering challenges.

aerospace structures (research)high-temperature applicationslightweight compositesrare-earth metallurgyintermetallic researchthermal barrier candidates

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	120.0	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	74.80	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.915	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	5.490	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000284	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000264	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-10.12	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-9.600	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)	-0.4070	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.

PrAl8Fe4

Mechanical Properties

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Regulatory Screening

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