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Features of zirconia toughened ceramics

In the field of advanced ceramics, zirconia toughened ceramics (ZTC) has the highest flexural strength and fracture toughness at room temperature, due to t-m transformation. Advantages of ZTC include excellent wear resistance, excellent chemical and corrosion resistance, high density and white color.


Mechanical properties 
Materials
Preparation
Fracture toughness(MPam1/2)
Flexural strength(MPa)
Hardness(HRA)
Y－TZP
Hot pressing
15
1500
90
Y－TZP
Pressureless sintering
8－10
800－1000
89
Ce-TZP
Pressureless sintering
7－11
500－800
89
Y-TZP/Al2O3
Pressureless sintering
6－8
500－800
90－91

 
　 

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