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Contact Details


Chonghong Industries(Microwork)Ltd.

1803,2006,Huachuang Intl Commerce Building

Honghuang 10th Road Jiangbei District 

Chongqing China 400020

Tel: (0086-023) 67937146
Fax: (0086-023) 89119130 
Cellphone:0086-18623135040

Ceramics


Alumina (Al2O3) and zirconia (ZrO2) are two important ceramics that are widely used in a variety of applications due to their unique properties.

Alumina is a hard, wear-resistant material that is widely used in the manufacturing of cutting tools, grinding wheels, and other abrasive applications. It is also used as an insulating material in high-temperature applications, such as furnace linings and kiln components. Alumina is also used as a substrate material in electronic components, such as integrated circuits and power electronics.

Zirconia is another ceramic material that is known for its high strength, toughness, and resistance to wear and corrosion. It is used in a wide range of applications, including dental implants, bearings, and cutting tools. Zirconia is also used as a structural material in aerospace and defense applications, where its high strength and toughness make it ideal for use in components such as engine parts and armor.

In addition to their individual applications, alumina and zirconia are often combined to form composite materials that exhibit superior properties to either material alone. For example, alumina-zirconia composites are used in cutting tools and grinding wheels, where the combination of high hardness and toughness results in longer tool life and improved performance.

Overall, the unique properties of alumina and zirconia make them valuable materials in a wide range of applications, from abrasive tools to aerospace components, and their use is expected to continue to grow as new applications are discovered.



Properties

Unit

Aluminia(AI2O3)

Zirconia(ZrO2)

Structure

-

Poly

Poly

Composition(wt %)

-

AI2O3

ZrO2

Purity

%

99.80

95

Density

g/cm3

3.90

6.00

Hardness

HV

1900

1200

Compression strength

MPa

2500

2000

Fusion Temperature

°C

1500

1000

Thermal Expansion

10-6/K

8.10

10.50

Chemical Resistence

(Acids)

Excellent

Good

 

(Bases)

Good

Good