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Alumina and Zirconia

 

Alumina

Alumina is widely used and the best-known material for fine ceramics.

 

Features:

- high mechanical strength
- high electrical insulation
- resistance to heat and abrasion

 

Application:

- parts requiring abrasion resistance (rings, scrapers, wire drawing rollers, etc.)
- insulating members (spacer and bush)
- sintering (setters, saggers and tiles)

 

Image: Alumina

Partially-Stabilized Zirconia


Features:

Partially-stabilized zirconia has superior mechanical strength and fracture toughness.

 

Application:

- parts that require abrasion resistance (sieves and chute liners)
- edged tool (cutters and kitchen knives)