Y3Al7Cu2 — Properties & Data | MatWorld

Y3Al7Cu2

metal

· Y3Al7Cu2

Y3Al7Cu2 is an intermetallic compound combining yttrium, aluminum, and copper, belonging to the rare-earth aluminum alloy family. This material is primarily of research and development interest for applications requiring high strength-to-weight ratios and thermal stability; it appears in literature on advanced metallic composites and strengthening phases in aluminum alloys rather than as a standalone commercial product. Engineers would consider yttrium-aluminum-copper intermetallics when designing lightweight structural materials or reinforcement phases for high-temperature applications, though commercial adoption remains limited compared to more established aluminum alloy systems.

aerospace structural reinforcementhigh-temperature compositesresearch alloy developmentaluminum matrix strengthening phaselightweight structural applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	12,764.3	ksi	DFT
Shear Modulus(G)	9,127.4	ksi	DFT

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1566	lb/in³	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)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000773	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000697	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	15.50	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	15.35	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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5247	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.

Y3Al7Cu2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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