HfSiO3
ceramic· HfSiO3
HfSiO3 is a hafnium silicate ceramic compound that combines the refractory properties of hafnium oxide with the structural stability of silicates, forming an advanced oxide ceramic material. This compound is primarily investigated in thermal barrier coating (TBC) systems and high-temperature structural applications where extreme heat resistance and chemical stability are required. Hafnium silicates offer advantages over conventional yttria-stabilized zirconia in ultra-high-temperature environments, particularly in aerospace and power generation sectors, though HfSiO3 remains largely in the research and development phase for most industrial applications.
thermal barrier coatingsaerospace turbine componentshigh-temperature oxidation protectionrefractory ceramicspower generation applicationsadvanced composite systems
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB)2 entries | — | μB | — | — | |
| ↳ | — | μB | — | — |
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 | |
|---|---|---|---|---|---|
Formation Energy(ΔHf)2 entries | — | eV/atom | — | — | |
| ↳ | — | 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
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.