HfTc — Properties & Data | MatWorld

HfTc

Name: HfTc
Brand: MatWorld

ceramic

· HfTc

HfTc is a refractory ceramic compound composed of hafnium and tantalum carbides, belonging to the ultra-high temperature ceramic (UHTC) family. This material is engineered for extreme thermal and mechanical environments where conventional ceramics fail, offering exceptional hardness and structural stability at temperatures exceeding 2000°C. HfTc is primarily of research and specialized industrial interest, valued in hypersonic vehicle components, rocket nozzles, and advanced nuclear applications where its combination of high melting point, oxidation resistance, and mechanical strength under thermal stress makes it superior to traditional refractory metals and monolithic ceramics.

hypersonic vehicle leading edgesrocket engine nozzlesnuclear reactor componentsthermal protection systemsultra-high temperature structural applicationsaerospace thermal barriers

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	191.9	GPa	DFT
↳	190.9	GPa	DFT · OptB88vdW
↳	191.9	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.3327	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3300	-	DFT · OptB88vdW
↳	0.3255	-	DFT · PBE
Shear Modulus(G)3 entries	75.81	GPa	DFT
↳	76.88	GPa	DFT · OptB88vdW
↳	75.81	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.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	13.29	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
↳	0.000	eV	Measured
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00136	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00133	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	10.90	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	10.76	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4913	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

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.

HfTc

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental