Silicon Nitride (Si3N4 HPSN) vs YSZ 7-8 wt% Yttria (t'-phase TBC grade)
Property comparison of Silicon Nitride (Si3N4 HPSN) and YSZ 7-8 wt% Yttria (t'-phase TBC grade), both ceramic.
| Property | Silicon Nitride (Si3N4 HPSN) | YSZ 7-8 wt% Yttria (t'-phase TBC grade) | Difference |
|---|---|---|---|
| Poisson ratio | 0.27 | 0.27 | 0% |
| Density | 3,250 kg/m³ | 5,900 kg/m³ | +82% |
| Thermal conductivity | 29 W/m·K | 2.5 W/m·K | -91% |
| Specific heat | 720 J/kg·K | 460 J/kg·K | -36% |
| Coefficient of thermal expansion | 0.000003 1/K | 0.000011 1/K | +224% |
Difference is YSZ 7-8 wt% Yttria (t'-phase TBC grade) relative to Silicon Nitride (Si3N4 HPSN). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
- —
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators