Sc3AlC — Properties & Data | MatWorld

Sc3AlC

metal

· Sc3AlC

Sc3AlC is a ternary carbide compound belonging to the MAX phase family of materials, which combines ceramic-like hardness with metallic conductivity and damage tolerance. This is primarily a research and development material being investigated for high-temperature structural applications, aerospace components, and thermal management systems where conventional ceramics or metals fall short. The MAX phase chemistry makes Sc3AlC notable for its potential combination of stiffness, thermal stability, and machinability—properties that position it as an alternative to traditional refractory metals and ceramics in extreme environments, though industrial-scale adoption remains limited.

high-temperature structural componentsaerospace thermal barriersrefractory applicationsresearch-phase advanced ceramicsthermal management systemsdamage-tolerant composites

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	14,755.3	ksi	DFT
↳	14,818.5	ksi	DFT · OptB88vdW
↳	14,755.3	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.01495	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.1800	-	DFT · OptB88vdW
↳	0.1799	-	DFT · PBE
Shear Modulus(G)3 entries	12,010.6	ksi	DFT
↳	11,901.8	ksi	DFT · OptB88vdW
↳	12,010.6	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.

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.1143	lb/in³	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	0.000289	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00000927	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-45.80	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-8.410	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)	-0.6636	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

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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.

Sc3AlC

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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