Anomalously high Hugoniot‐elastic limit (35–39 GPa) of Y2O3‐doped partially stabilized zirconia ceramics

An anomalously high Hugoniot‐elastic limit of 35–39 GPa in stress was measured by the inclined‐mirror method for the Y2O3‐doped partially stabilized zirconia ceramics. This value is much higher than for stabilized zirconia ceramics by over two, and is the second highest in these materials which have ever been measured. As a result, it is suggested that transformation toughening of the partially stabilized zirconia strongly influences the material strength even under shock compression, as under static conditions.