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Zirconia Toughened Alumina Ceramics — ZTA

09.08, 2023

Alumina ceramic is a high-temperature structural ceramic with high strength, high temperature resistance, corrosion resistance and other excellent characteristics. 

However, its brittleness limits its application, and the enhancement of toughness of alumina ceramics has been the subject of intensive research by many scholars. 

Zirconia toughened alumina ceramics, that is, ZTA ceramics is considered an effective means of toughening.

 After several years of hard work, people have a certain understanding of the mechanical properties, preparation process, internal structure and toughening 

mechanism of ZTA nano phase ceramics, but there are still some problems that need to be further studied. In addition, how to obtain dense nano crystalline 

ZTA ceramics is also a problem worthy of in-depth discussion. The study found that the addition of nano dispersed phases to the ceramic matrix greatly 

improved the strength, toughness and high-temperature properties of the material. The introduction of nano-ZrO2 also greatly improved the mechanical

 properties of Al2O3.

(zirconium oxide toughened alumina) ZTA ceramic tile: 

Compared with alumina products: higher density, better wear resistance, and greatly improved toughness;

Compared with zirconia products: low price and high cost performance;

Specific gravity: 4.2-4.3g/cm3

Zibo Zawa New Material Co., Ltd.

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