Sc4C3

ceramic

· Sc4C3

Sc4C3 is a scandium carbide ceramic compound belonging to the family of refractory carbides, which are materials engineered to withstand extreme temperatures and harsh chemical environments. This material is primarily investigated in research and advanced materials development contexts for high-temperature structural applications where conventional ceramics reach their performance limits. Scandium carbide compounds are of particular interest in aerospace, nuclear, and ultra-high-temperature engineering due to their potential for thermal stability and chemical inertness, though they remain less commercially widespread than established alternatives like tungsten carbide or silicon carbide.

high-temperature structural applicationsrefractory coatingsaerospace thermal protectionnuclear fuel cladding researchcutting tool developmentadvanced ceramic composites

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	16,228.4	ksi	DFT
↳	17,269.6	ksi	DFT · OptB88vdW
↳	16,228.4	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.04146	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2500	-	DFT · OptB88vdW
↳	0.2521	-	DFT · PBE
Shear Modulus(G)3 entries	9,641.2	ksi	DFT
↳	10,248.4	ksi	DFT · OptB88vdW
↳	9,641.2	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)	0.1391	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	0.3150	eV	DFT · OptB88vdW
↳	0.5770	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	78.64	-	DFT · OptB88vdW
↳	76.72	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	24.28	-	DFT · OptB88vdW
↳	16.98	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.07000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.06000	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1104	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00191	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00142	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-289.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	122.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	18.55	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6360	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.

Sc4C3 — Properties & Data | MatWorld

Sc4C3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental