HfAg
metal· HfAg
HfAg is an intermetallic compound combining hafnium and silver, belonging to the class of refractory metal alloys with potential applications in high-temperature and electronic materials. This material is primarily of research and emerging-technology interest rather than a widespread industrial commodity; it is studied for applications requiring the combination of hafnium's high melting point and refractory properties with silver's thermal and electrical conductivity. The HfAg system is notable in materials science for exploring intermediate phases in hafnium-silver phase diagrams and is candidates for specialized applications where conventional alloys cannot operate due to temperature or chemical constraints.
high-temperature structural alloyselectronic contacts and interconnectsrefractory metal researchaerospace thermal barriersvacuum and specialized environmentsphase diagram mapping studies
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 17,012.4 | ksi | — | ||
| ↳ | 17,862.8 | ksi | — | ||
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G)2 entries | 7,290.6 | ksi | — | ||
| ↳ | 8,480.4 | 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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.4431 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 5.843 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.1113 | eV/atom | — | ||
| ↳ | -0.1331 | eV/atom | — |
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
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.