YAl8Fe4 — Properties & Data | MatWorld

YAl8Fe4

metal

· JVASP-9620· YAl8Fe4

YAl8Fe4 is an intermetallic compound combining yttrium, aluminum, and iron—a material class valued for combining light weight with high stiffness and thermal stability. This compound is primarily of research and specialized industrial interest, used in applications requiring excellent rigidity-to-weight ratios and resistance to thermal cycling, such as aerospace structural reinforcement, high-temperature tooling, and advanced composite matrices. Engineers select YAl8Fe4-based materials when conventional aluminum alloys lack sufficient stiffness or thermal performance, though availability and cost typically limit adoption to demanding applications where performance justifies the premium.

aerospace structural compositeshigh-temperature reinforcementprecision toolingthermal-cycling applicationslightweight stiffening phases

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	124.7	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	77.83	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.602	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	5.170	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000131	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000126	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-1.087	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-1.203	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)	-0.4476	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.

YAl8Fe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control