Stress Relaxation of Compression Loaded Plasma-Sprayed 7 Wt% Y2O3-ZrO2 Stand-Alone Coatings

Stand‐alone plasma‐sprayed tubes of 7 wt% Y2O3–ZrO2 made from the same starting powder but at two different sites were subject to stress‐relaxation testing in axial compression at temperatures of 25°, 1000°, 1050°, 1100°, and 1200°C and at an initial stress of 10–80 MPa. A time‐dependent stress resp...

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