Cr3Os — Properties & Data | MatWorld

Cr3Os

metal

· Cr3Os

Cr3Os is an intermetallic compound combining chromium and osmium, belonging to the family of refractory metal intermetallics. This material is primarily of research and development interest rather than established in volume production, with potential applications in high-temperature structural applications where exceptional hardness and chemical stability are required. The osmium-chromium system is explored for specialized aerospace and tool applications where conventional superalloys reach their limits, though commercial adoption remains limited due to cost, brittleness concerns, and processing complexity typical of refractory intermetallics.

high-temperature structural materials (research)refractory tool coatingsaerospace experimental systemswear-resistant wear surfacescorrosion-resistant coatingsresearch metallurgy

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	281.9	GPa	DFT
↳	286.6	GPa	DFT · OptB88vdW
↳	281.9	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.00194	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3400	-	DFT · OptB88vdW
↳	0.3366	-	DFT · PBE
Shear Modulus(G)3 entries	103.3	GPa	DFT
↳	106.1	GPa	DFT · OptB88vdW
↳	103.3	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.

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Property	Value	Unit	Conditions	Source
Density(ρ)	11.49	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	0.00000858	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000113	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-1.620	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-1.850	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)	0.00600	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.00594	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

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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.

Cr3Os

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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