Zirconia-toughened alumina ceramic tube

Zirconia-toughened alumina ceramic tube

Overview
Specification
FAQ

Product Introduction of Zirconia-Toughened Alumina Ceramic Tubes

Zirconia-toughened alumina (ZTA) ceramic is a composite ceramic material with alumina as the matrix, toughened by zirconia phase transformation. The zirconia content in this material is typically 10%-40%. The composite powder is prepared through methods such as mechanical mixing, sol-gel, and co-precipitation. After molding, a dense structure is achieved through processes such as pressureless sintering or hot isostatic pressing.


Main Advantages

• Excellent wear resistance: Zirconia ceramic tubes have 10 times the wear resistance of alumina ceramics, and their friction coefficient is only 1/3 of that of alumina ceramics.

• Excellent mechanical properties: Compressive strength can reach 1200-1400 MPa, which is more than 3 times that of ordinary metals, and fracture toughness is 4 times that of alumina ceramics.

• Outstanding corrosion resistance: It can withstand long-term corrosion from concentrated hydrochloric acid and caustic soda, and its service life in chemical environments far exceeds that of metal pipes.

• Good biocompatibility: The biocompatibility index is as high as 98.7%, and it highly matches the elastic modulus of human bones, making it suitable for medical implants.


Application Fields

• Medical field: Artificial joints, dental implants, surgical instruments, etc.

• Electronics industry: Semiconductor wafer diffusion furnace components, circuit board cooling pipes.

• Chemical equipment: Corrosion-resistant pipes, oil drilling components.

• Wear-resistant machinery: Bearings, cutting tools, and other high-performance mechanical components.

• New energy field: Lithium battery sintering furnace components, sodium battery separators.


Technical Parameters

parameter

Numerical range

illustrate

Flexural strength

This material shows a 47-72% improvement compared to pure alumina.

The toughening effect is significantly improved through the use of zirconia.

fracture toughness

2.5~4.5MPa·m¹/²

Superior to pure alumina ceramics

density

5.6-6.1 g/cm³

Significantly higher than pure alumina ceramics.

Mohs hardness

8-8.5

Slightly lower than pure alumina but with better toughness.

Coefficient of thermal expansion

9.5*10-6(/℃)

Good thermal stability


Supports custom specifications.

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