Al3Os2 — Properties & Data | MatWorld

Al3Os2

Name: Al3Os2
Brand: MatWorld

metal

· Al3Os2

Al₃Os₂ is an intermetallic compound combining aluminum with osmium, representing a specialized high-density metal alloy. This material belongs to the family of refractory intermetallics and is primarily of research and development interest rather than established production use. Its potential lies in applications demanding extreme hardness, high-temperature stability, and resistance to wear, though industrial adoption remains limited due to cost, brittleness concerns, and processing challenges typical of osmium-bearing compounds.

wear-resistant coatingshigh-temperature structural researchrefractory applicationsaerospace research materialsspecialized tool materials

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	29,494	ksi	DFT
↳	28,935	ksi	DFT · OptB88vdW
↳	29,494	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.05205	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2700	-	DFT · OptB88vdW
↳	0.2649	-	DFT · PBE
Shear Modulus(G)3 entries	16,449.6	ksi	DFT
↳	16,116.6	ksi	DFT · OptB88vdW
↳	16,449.6	ksi	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)	0.3935	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	0.000962	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000973	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	14.37	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	14.35	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)	0.00370	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5211	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.

Al3Os2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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