TiAu4

metal
· TiAu4

TiAu4 is an intermetallic compound combining titanium and gold in a 1:4 stoichiometric ratio, belonging to the titanium-gold binary system. This material exhibits properties characteristic of intermetallics—notably high stiffness and density—making it of interest for specialized applications requiring excellent rigidity and wear resistance. While not widely used in high-volume industrial production, TiAu4 appears primarily in research contexts exploring advanced alloy systems for aerospace, biomedical, and precision engineering applications where the unique combination of titanium's light-weighting potential and gold's corrosion resistance and biocompatibility could be leveraged.

dental and orthopedic implantsaerospace fasteners and connectorswear-resistant coatingsresearch phase intermetallicscorrosion-resistant structural componentsbiomedical device materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
20,854.2
ksi
20,854.2
ksi
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa
Elastic Anisotropy(AU)
1.783
-
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
ksi
Poisson's Ratio(ν)
0.3756
-
Shear Modulus(G)2 entries
5,657.4
ksi
5,657.4
ksi
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.5796
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-3.843
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.2986
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.
TiAu4 — Properties & Data | MatWorld