ZrCoBi

metal

· ZrCoBi

ZrCoBi is an experimental intermetallic compound combining zirconium, cobalt, and bismuth, belonging to the family of high-density metallic alloys under investigation for advanced structural and functional applications. This material exists primarily in research contexts as researchers explore how the combination of these elements—leveraging zirconium's strength and corrosion resistance with cobalt's hardness and bismuth's unique electronic properties—might enable new performance combinations. The alloy's notable density and stiffness characteristics position it as a candidate for applications where weight efficiency and mechanical stability must coexist, though industrial adoption remains limited pending further development and clarification of compositional specifications.

research and developmenthigh-density structural alloysaerospace componentswear-resistant coatingselectronic device substratescorrosion-resistant applications

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)2 entries	16,942.8	ksi	DFT
↳	17,578.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	9,039	ksi	DFT
↳	9,093.9	ksi	DFT · OptB88vdW

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)	0.3564	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.9860	eV	DFT · OptB88vdW
↳	1.030	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	24.89 range 20.24–29.53median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	21.66	-	DFT · OptB88vdW
↳	20.43	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.260	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.390	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.3956	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00261	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00360	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-352.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	430.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.10	%	DFT · TBmBJ

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)	-0.4556	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.

ZrCoBi — Properties & Data | MatWorld

ZrCoBi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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Environmental

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