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USA Worldwide: Ken Anderson | kanderson@zircoa.com | (440)349-7226 | 440-248-8864 (Fax)
Europe, the Middle East & Africa: Franz-Josef Fiedler | franz-josef.fiedler@rhi-ag.com | +49-611-7335-515 |
+49-611-7335-558
(Fax)
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Engineered Ceramic Components
Zirconium Oxide Compositions Solve a Wide Range of Material Requirements
Engineered ceramic components, based upon Zircoa’s own Zirconium Oxide, are strong, resist corrosion, impact, high temperature, fracture stress and the harshest liquid and gaseous environments. Markets served include: wear parts, battery tooling, fluid flow control, oil field supply, electrical, machine parts, machine shop grind blanks, sensors, spray nozzles and valve trim.
For more detailed information on the unique properties of Zirconium Oxide (A Grain Zirconia, ZrO2) please visit our Solutions page, or contact a product specialist to discuss your specific needs.
Outstanding Features of Zirconium Oxide Compositions
Crack Resistant — Zirconium Oxide compositions are transformation toughened for added strength and crack resistance. When subjected to fracture stresses, a unique change in crystalline structure occurs, inhibiting crack growth. The stressed area expands to close any cracks, preventing failure.
Chemically inert — Zirconium Oxide compositions easily withstand the harshest liquid and gaseous environments. In general, Zirconium Oxide ceramics resist attack by organic solvents, molten metals, caustics, and acids.
Wear Resistant — Zirconium Oxide compositions are extremely wear resistant in many applications where abrasive or corrosive materials are present and impact, sliding wear and erosion conditions exist.
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Typical Properties
| Property | Units | 1028 | 1030 | 1876 | 5027 |
|---|---|---|---|---|---|
| Physical | |||||
| RT MOR-4Pt. Bend | psi | 70,000 | 80,000 | 65,000 | 50,000 |
| Mpa | 480 | 550 | 450 | 350 | |
| Fracture Toughness | MPa-m1/2 | 10.6 | 13 | 7.2 | 7.2 |
| Density | g/cm3 | 5.5 | 5.7 | 5.47 | 5.45 |
| Porosity | % | 0 | 0 | 0 | 0 |
| Crystal Size | micron | 100 | 100 | - - - | - - - |
| Monoclinic | % | - - - | - - - | - - - | 55 |
| Young‘s Modulus | psi x 106 | 29 | 29 | 35 | 32 |
| GPa | 200 | 200 | 240 | 220 | |
| Weibull Modulus |
|
12 | 12 | 10 | 14 |
| Hardness - Rockwell | "A" scale | 83 | 83 | 83 | 83 |
| - Vickers HV10 | GPa | 8.04 | 8.46 | - - - | 7.46 |
| kg/mm2 | 820 | 863 | - - - | 760 | |
| Thermal | |||||
| CTE-RT to 600°C | x10-6 per °C | 9.8 | 10 | 10.2 | 2.4 |
| CTE-RT to 1000°C | x10-6 per °C | 10.3 | 10.7 | 10.5 | 3.4 |
| CTE-RT to 1300°C | x10-6 per °C | 10.8 | 11.3 | 10.8 | 6.4 |
| T.C. @ 800°C (CALC) | W/m-°K | 1.88 | 1.99 | 1.87 | 1.86 |
| Specific Heat @ 300° C | cal/gm°C | - - - | - - - | 0.152 | 0.15 |
| Electrical | |||||
| Electrical Resistivity @ 28°C |
ohm-cm | >108 | 1011 | - - - | >108 |
| Electrical Resistivity @ 1000°C |
ohm-cm | 200 | 200 | - - - | 200 |
| Dielectric Constant | - - - | - - - | - - - | - - - | - - - |
| Dielectric Strength | volts/mil | - - - | - - - | - - - | - - - |
| Major Chemistry | |||||
| SiO2 | wt% | 0.1 | 0.1 | 0.14 | 0.1 |
| CaO | wt% | 0.2 | 0.2 | 0.2 | 0.2 |
| MgO | wt% | 3 | 3 | 3.15 | 3.3 |
| Fe2O3 | wt% | 0.1 | 0.1 | 0.1 | 0.1 |
| Al2O3 | wt% | 0.1 | 0.1 | 0.1 | 0.1 |
| TiO2 | wt% | 0.05 | 0.05 | 0.05 | 0.1 |
NOTICE: Recommendations, property values, and application information we publish are based on
various sources including measurements by us and others, and estimates of experience. We intend this to be a
reliable guide, but we do not guarantee the applicability, completeness, or accuracy of the information. Users
should make their own tests to determine the suitability of any product for their application.
Entire contents © 1999 - 2008, Zircoa, Inc.
Contact a Product Specialist
USA Worldwide:
Ken Anderson
(440)349-7226
(440)248-8864 (Fax)
Online form
Europe, the Middle East and Africa:
Franz-Josef Fiedler
+49-611-7335-515
+49-611-7335-558 (Fax)
Online form
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MSDS for Zircoa Engineered Components
Follow the composition number links for the corresponding MSDS.
• Composition 1028
• Composition 1030
• Composition 1876
• Composition 5027