zirconiumdioxid (ZrO²)    -         95
yttriumoxid  (Y²O³)         -           5
aluminiumoxid  (Al2O³)    -       <0,4

technical data (standard values after sintering):

density:                          g / cm  6,06
vickers hardness:             HV 10   max.1290
coefficient of elasticity:  MPa ( N/mm-² ) : ca. 210.000
expansion coefficient:     25 - 1000°C       : 10,0 x 10-6 /K
flexural strenght:            MPa  (N/mm-²)  : 1250 - 1400
                                     (according to 4 point bending strenght test
                                     DIN EN ISO 6872)
                                                                                                     

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