SiC2 — Properties & Data | MatWorld

SiC2

ceramic

· JVASP-35061· SiC2

SiC2 is a silicon carbide ceramic compound belonging to the family of advanced ceramics known for high hardness and thermal stability. While SiC2 is less common than the more widely used SiC (silicon carbide) polymorph, it represents research into alternative silicon carbide stoichiometries and crystal structures that may offer tailored mechanical and thermal properties. This material is of interest in applications demanding extreme hardness, chemical inertness, and thermal resistance, though industrial adoption remains limited compared to established SiC grades.

advanced refractory applicationshigh-temperature ceramics researchabrasive and cutting toolssemiconductor device substratesthermal barrier coatingswear-resistant components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	175.2	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	82.08	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.484	kg/m³	DFT · OptB88vdW

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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	0.000761	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000854	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	27.69	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	28.71	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.5290	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.3652	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

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.

SiC2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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