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Fine Ceramics, sometimes referred to as "advanced ceramics," are engineered materials that support the development of cutting-edge technology.

Strength (3)

Toughness—Highly Resistant to Fracturing

Typically, ceramics are characterized by hardness as well as a lack of toughness.
The toughness of a material is measured by its resistance to fracturing. Among Fine Ceramics (also known as "advanced ceramics"), zirconia possesses relatively high levels of toughness. As a result, it is used for products such as blades, scissors and knives.

Applications: Knives, scissors and other related products.




Fracture toughness measures a fissured material's resistance to fracturing (whether the fissures exist throughout the material or only on its surface).
The fracture toughness of Fine Ceramics is measured using the critical stress intensity factor KIC at crack terminations where fracturing generally occurs. In particular, the fracture toughness KIC value is used to compare material's shape when a fissure is opened by a plane deformation. Though Fine Ceramics generally possess low fracture toughness, partially-stabilized zirconia, used for products such as scissors and knives, offers significant fracture-toughness improvements.

Fracture Toughness

figure:Fracture Toughness

For more information, please see Excerpt of Graph Values.

The term "Fine Ceramics" is interchangeable with "advanced ceramics," "technical ceramics" and "engineered ceramics." Use varies by region and industry.

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