Yttria Stabilized Zirconia (YTZP)

Yttria Stabilized Zirconia (YTZP)
Transformation Toughening of YTZP How it Resists Crack Propagation White Paper 2
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> YTZP in Low Temperatures

> YTZP’s Transformation Toughening

Yttria Stabilized Zirconia (YTZP) is the strongest ceramic material we offer. YTZP is a purely tetragonal phase, fine grain material. This material offers the highest flexural strength of all Zirconia based materials. YTZP exhibits a trait called transformation toughening which allows it to resist crack propagation. Applied stress, magnified by the stress concentration at a crack tip, can cause the tetragonal phase to convert to monoclinic, with the associated volume expansion.

This phase transformation can then put the crack into compression, retarding its growth, and enhancing the fracture toughness. This mechanism significantly extends the reliability and lifetime of products made with stabilized zirconia. YTZP is well suited to replacing metals due to its extremely high strength and toughness, it also offers far higher resistance to chemicals and superior erosion resistance.

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Post time: Jun-23-2019
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