TiAl2O5 — Properties & Data | MatWorld

TiAl2O5

ceramic

· JVASP-9692· TiAl2O5

TiAl2O5 is a titanium aluminate ceramic compound that combines titanium and aluminum oxides into a single-phase material. While not a mainstream commercial ceramic, it belongs to the family of mixed-metal oxides studied for high-temperature structural applications where thermal stability and mechanical stiffness are priorities. This material is typically encountered in research and specialized engineering contexts rather than mass-production industries, with potential utility in applications requiring chemical inertness and thermal resistance beyond conventional single-oxide ceramics.

high-temperature structural componentsthermal barrier researchrefractory applicationscomposite reinforcement phasesspecialty ceramics developmentaerospace material studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	194.6	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	100.4	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.630	kg/m³	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	2.932	eV	DFT · OptB88vdW
↳	3.456	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.429	-	DFT · OptB88vdW
↳	3.760	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.983	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.423	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000872	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00123	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-333.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	246.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	1.460	%	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)	0.03120	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.263	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.

TiAl2O5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental