YAl2Co — Properties & Data | MatWorld

YAl2Co

metal

· YAl2Co

YAl2Co is an intermetallic compound combining yttrium, aluminum, and cobalt, belonging to the class of rare-earth transition metal intermetallics. This material is primarily of research and development interest rather than established commodity use, with potential applications where high stiffness and moderate density are needed in specialized aerospace or high-temperature environments. The intermetallic structure offers controlled mechanical behavior and potential for elevated-temperature strength, making it relevant to engineers exploring alternatives to conventional superalloys or composite matrices in advanced material systems.

aerospace researchhigh-temperature structural applicationsintermetallic matrix compositeslightweight structural alloysmaterials development

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	89.23	GPa	DFT
↳	94.11	GPa	DFT · OptB88vdW
↳	89.23	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.9278	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2900	-	DFT · OptB88vdW
↳	0.2821	-	DFT · PBE
Shear Modulus(G)3 entries	45.49	GPa	DFT
↳	48.61	GPa	DFT · OptB88vdW
↳	45.49	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.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.714	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)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000511	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000519	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-12.44	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-12.73	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)	-0.5896	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.

YAl2Co

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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