YSZ 7-8 wt% Yttria (t'-phase TBC grade) vs Zirconia-Toughened Alumina (ZTA 20 vol% ZrO2)
Property comparison of YSZ 7-8 wt% Yttria (t'-phase TBC grade) and Zirconia-Toughened Alumina (ZTA 20 vol% ZrO2), both ceramic.
| Property | YSZ 7-8 wt% Yttria (t'-phase TBC grade) | Zirconia-Toughened Alumina (ZTA 20 vol% ZrO2) | Difference |
|---|---|---|---|
| Poisson ratio | 0.27 | 0.25 | -7% |
| Density | 5,900 kg/m³ | 4,050 kg/m³ | -31% |
| Thermal conductivity | 2.5 W/m·K | 18 W/m·K | +620% |
| Specific heat | 460 J/kg·K | 850 J/kg·K | +85% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.000009 1/K | -21% |
Difference is Zirconia-Toughened Alumina (ZTA 20 vol% ZrO2) relative to YSZ 7-8 wt% Yttria (t'-phase TBC grade). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
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