Mg3Ta — Properties & Data | MatWorld

Mg3Ta

ceramic

· JVASP-37206· Mg3Ta

Mg3Ta is an intermetallic ceramic compound combining magnesium and tantalum, representing a rare-earth-adjacent material system explored primarily in research contexts rather than mature industrial production. This material belongs to the family of refractory intermetallics and is of interest for high-temperature structural applications where extreme hardness, chemical stability, and resistance to oxidation are required. While not yet a mainstream engineering material, Mg3Ta and similar tantalum-based ceramics are investigated for aerospace, nuclear, and extreme-environment applications where conventional metals or oxides fall short; however, limited data availability and manufacturing challenges currently restrict its practical deployment compared to established alternatives like tungsten carbides or alumina-based ceramics.

research & developmenthigh-temperature aerospace componentsrefractory applicationsextreme-environment materialsnuclear reactor environmentsexperimental intermetallic composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1935	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000288	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000291	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-3.240	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-3.260	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)	0.3341	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.3341	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.

Mg3Ta

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental