HoC2

Name: HoC2
Brand: MatWorld

ceramic

· HoC2

HoC₂ is a refractory ceramic carbide compound belonging to the family of transition metal carbides, characterized by exceptional hardness and thermal stability at extreme temperatures. This material is primarily of research and specialized industrial interest, used in applications demanding resistance to thermal shock, oxidation, and mechanical wear in ultra-high-temperature environments such as aerospace propulsion systems, cutting tools, and wear-resistant coatings. Compared to more common carbides like tungsten carbide or titanium carbide, holmium carbide offers unique thermal properties and potential for advanced applications in next-generation thermal protection systems, though it remains less widely adopted in mainstream engineering due to limited production scale and higher costs.

thermal protection systemsrefractory componentscutting and wear-resistant toolsaerospace applicationshigh-temperature coatingsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	18,860.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	10,397.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2773	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	DFT · OptB88vdW
↳	0.4120	eV	DFT · TBmBJ
↳	0.000	eV	Measured
High-Frequency Dielectric Constant (ε∞)(ε∞)	113.6	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000642	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000641	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-8.103	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-8.127	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	10.63	%	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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.3488	eV/atom	DFT · OptB88vdW
↳	-0.2964	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.

HoC2 — Properties & Data | MatWorld

HoC2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental