TaPb — Properties & Data | MatWorld

TaPb

ceramic

· JVASP-128272· TaPb

TaPb is an intermetallic compound composed of tantalum and lead, representing a high-density metallic ceramic material that combines the refractory properties of tantalum with lead's density and softness. This material is primarily of research interest for specialized applications requiring extreme density and radiation shielding, though it remains uncommon in mainstream engineering due to lead's toxicity constraints and limited commercial development. TaPb belongs to a class of binary intermetallics explored for niche aerospace, nuclear, and high-energy physics applications where dense, thermally stable materials provide functional advantages over conventional alternatives.

radiation shieldinghigh-density ballastresearch phase intermetallicnuclear applicationsexperimental aerospace

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	15.18	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.7738	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.7738	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.

TaPb

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental