Ca4 Hf4 O12
ceramic· Ca4 Hf4 O12
Ca4Hf4O12 is a complex oxide ceramic compound combining calcium and hafnium oxides, representing a high-temperature ceramic material in the hafnate family. This material is primarily of research and development interest for extreme thermal and mechanical applications, as hafnium-containing oxides are valued for their outstanding refractory properties and stability at elevated temperatures. Engineers consider such materials for applications requiring exceptional thermal shock resistance, chemical inertness, and structural integrity in harsh environments where conventional ceramics would degrade.
High-temperature refractory applicationsThermal barrier coatingsNuclear reactor componentsAerospace thermal protection systemsAdvanced ceramic researchExtreme environment structural materials
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | eV/atom | — | — |
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.