TaC

Name: TaC
Brand: MatWorld

ceramic

· TaC

Tantalum carbide (TaC) is a refractory ceramic compound that combines tantalum metal with carbon, forming an extremely hard and thermally stable material. It is used primarily in cutting tools, wear-resistant coatings, and high-temperature structural applications where conventional ceramics or metals cannot tolerate extreme conditions. Engineers select TaC for demanding wear environments and cutting-edge applications because of its exceptional hardness, resistance to oxidation at elevated temperatures, and ability to maintain strength where most materials degrade.

cutting tool insertswear-resistant coatingshigh-temperature structural partsaerospace componentsrefractory liningsmetal machining

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	46,983	ksi	DFT
↳	47,388.2	ksi	DFT · OptB88vdW
↳	46,983	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.2987	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2300	-	DFT · OptB88vdW
↳	0.2287	-	DFT · PBE
Shear Modulus(G)3 entries	31,123.3	ksi	DFT
↳	32,079.4	ksi	DFT · OptB88vdW
↳	31,123.3	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)	0.5132	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	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000357	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000362	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-5.160	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-5.200	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.6400	eV/atom	DFT · OptB88vdW
↳	-0.7467	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

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.

TaC — Properties & Data | MatWorld

TaC

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental