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Magnesia Partially Stabilized Zirconia

Composition

MgO Partially Stabilized ZrO2

magnesia partially stabilized zirconia overview

Magnesia Partially Stabilized Zirconia is a very tough ceramic used in severe-service applications. A combination of corrosion resistance, durability, and toughness make it ideal for machinery parts and valves in severe applications. CoorsTek Dura-Z™ is a uniquely formulated composition designed to maintain the outstanding mechanical performance under extreme environments.

Example Applications

  • Ball valves
  • Wire manufacturing components

 

CoorsTek Formulations

Contact a CoorsTek expert to choose an Magnesia Partially Stabilized Zirconia solution for your application.

Property Units Value

Flexural Strength, MOR (20 °C)

MPa

545-900

Fracture Toughness, KIc

MPa m1/2

6.0-11.0

Thermal Conductivity (20 °C)

W/m K

2.0-2.5

Coefficient of Thermal Expansion

1 x 10-6/°C

10.0-10.2

Maximum Use Temperature

°C

500-1000

Dielectric Strength (6.35mm)

ac-kV/mm

9.4

Dielectric Loss (tan δ)

1MHz, 25 °C

0.001

Volume Resistivity (25°C)

Ω-cm

1012 to 1013

The information provided on this chart is for general material property reference only.  The customer should recognize that exact properties of materials may vary according to product configuration but close control of values of most properties can be maintained, if specified. Nothing herein is provided, or is to be construed, as absolute engineering data or constituting a warranty or representation. Contact CoorsTek for cost-effective design, development and manufacturing assistance. CoorsTek has 300+ variations including various forming and firing processes, not all variants are represented in the present website.

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