Ta4AlC3 — Properties & Data | MatWorld

Ta4AlC3

Name: Ta4AlC3
Brand: MatWorld

metal

· Ta4AlC3

Ta4AlC3 is a ternary ceramic compound belonging to the MAX phase family, which combines metallic and ceramic characteristics through a layered crystal structure of transition metals, aluminum, and carbon. This material class is notable for exceptional damage tolerance, thermal shock resistance, and machinability—properties rarely combined in traditional ceramics—making it attractive for high-temperature structural applications where conventional monolithic ceramics would fail. While primarily in the research and development phase, Ta4AlC3 represents the expanding MAX phase platform for next-generation aerospace and energy systems requiring materials that maintain strength at elevated temperatures while resisting thermal cycling and mechanical shock.

high-temperature structural componentsthermal barrier coatingsaerospace engine applicationsdamage-tolerant ceramicsnuclear fuel cladding researchadvanced composite reinforcement

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)2 entries	34,442.5	ksi	DFT
↳	34,442.5	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.02037	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)	0.2452	-	DFT · PBE
Shear Modulus(G)2 entries	21,145.9	ksi	DFT
↳	21,145.9	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)	0.4565	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	0.000	eV	Measured
↳	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00164	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00164	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-28.11	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-28.38	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)	0.07350	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5376	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.

Ta4AlC3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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