TaCr2

Name: TaCr2
Brand: MatWorld

metal

· TaCr2

TaCr2 is an intermetallic compound combining tantalum and chromium, forming a hard, dense metallic phase with significant stiffness and resistance to deformation. This material belongs to the family of refractory intermetallics and is primarily of research and developmental interest rather than a commodity engineering alloy. Applications focus on extreme-environment and high-temperature contexts where tantalum's refractory properties and chromium's oxidation resistance can be leveraged, though commercial adoption remains limited compared to conventional superalloys and established refractory metals.

high-temperature structural componentsrefractory applicationsaerospace research and developmentwear-resistant coatingsexperimental compositesthermal barrier systems

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	35,383.1	ksi	DFT
↳	35,573.4	ksi	DFT · OptB88vdW
↳	35,256.2	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.05611	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3700	-	DFT · OptB88vdW
↳	0.3398	-	DFT · PBE
Shear Modulus(G)3 entries	12,034.5	ksi	DFT
↳	10,161.3	ksi	DFT · OptB88vdW
↳	12,650.6	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)	0.4126	lb/in³	DFT · OptB88vdW

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

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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	0.00165	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00166	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	23.81	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	23.79	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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.01160	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.09818	eV/atom	DFT · OptB88vdW
↳	-0.09328	eV/atom	Measured

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

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.

TaCr2 — Properties & Data | MatWorld

TaCr2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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