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Magnesia Partially Stabilized Zirconia

Composition

MgO Partially Stabilized ZrO2

Description

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

Example Applications

  • Ball valves
  • Wire manufacturing components

CoorsTek Formulations

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

  • Dura-Z™, Technox® 500, TTZ
    (Transformation Toughened Zirconia)
Columns
Property Units Value

Flexural Strength MOR, (20°C)

MPa

545-900

Compressive Strength, (20°C)

MPa

1700-1750

Fracture Toughness, KIc

MPa m1/2

6.0-11.0

Hardness, Rockwell 45N

R45N

77

Hardness, Knoop 1000gm

GPa

11.8

Maximum Use Temperature

°C

500-1000

Coefficient of Thermal Expansion, (25-1000°C)

1 x 10-6/°C

9.8

Thermal Shock Resistance, (∆T)

°C

350-375

Thermal Conductivity, (20°C)

W/m K

2.0-2.5

Dielectric Strength, (6.35mm)

ac-kV/mm

9.4

Dielectric Constant, (1 MHz)

25°C

28.0

Volume Resistivity, (25°C)

ohm-cm

1012->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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