2E02 酸化セリウム多結晶体の高温拡散クリープ
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High purity (∿99.99%) CeO_2 powder was sintered to form rod specimen with the relative density of 95%. Dead-load four-point dending creep test was performed at stresses of 4.9∿19.6Mpa, at temperatures of 1100∿1200℃, in air. Steady-state creep was observed. Strain rate was linearly proportional to stress indicating the existence of viscous creep. Apparent activation energy of creep was ∿290kJ/mol.
- 1996-10-07
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