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Zirconia Machining

Ferro-Ceramic Grinding Inc. machines over 15 different materials

Zirconia

Zirconia dioxide, simply known as zirconia, is an excellent ceramic material thanks to its remarkable hardness and resistance to fracture. Zirconia is a popular material of choice for many applications where durability is crucial, but zirconia machining is not as popular as other materials for various reasons.

For one, zirconia material is challenging to manufacture and is an expensive material in itself. Compared to other materials like alumina, zirconia requires more resources, so it’s typically used in limited quantities in smaller components as a supplemental material that enhances fracture and chip resistance.

Zirconia Properties

Zirconia ceramics have a martensite-type transformation mechanism of stress induction, giving the material the ability to absorb significant amounts of stress relative to other ceramic materials. Zirconia also exhibits the highest mechanical strength and toughness at room temperature.

Against wear, chemicals, and corrosion, zirconia is remarkably resistant. And zirconia provides low thermal conductivity, making it an excellent thermal insulator. There are many common applications for zirconia, including extrusion dies, wire and pipe extensions, guide and other wear rollers, pressure valves, and bearing materials.

If you’re interested in learning more about zirconia machining and the advantages that zirconia affords as a material, contact our helpful staff at Ferro-Ceramic.

PropertiesUnitsTestValue
Physical
Chemical Formula--iron, carbon alloy
Density, rg/cm3ASTM C207.83
Color--gray
Crystal Structure---
Water Absorption% @R.T.ASTM C373-
HardnessMoh's-6.5
Hardnessknoop (kg/mm2)Knoop 100g605
Mechanical
Compressive StrengthMPa @ R.T.ASTM C7731000 - 2000
Tensile StrengthMPa @ R.T.ACMA Test #41800
Modulus of Elasticity
(Young's Mod.)
GPaASTM C848207
Flexural Strength (MOR)MPa @ R.T.ASTM F417276
Poisson's Ratio, u-ASTM C8180.30
Fracture Toughness, KIcMPa x m1/2Notched Beam Test50 - 80
Thermal
Max. Use Temperature
(* denotes inert atm.)
ºCNo load cond.760
Thermal Shock ResistanceDT (ºC)Quenching230
Thermal ConductivityW/m-K @ R.T.ASTM C40825
Coefficient of Linear Thermal Expansion, almm/m-ºC (~25ºC through ±1000ºC)ASTM C3726.0
Specific Heat, cpcal/g-ºC @ R.T.ASTM C3510.12
Electrical
Dielectric Constant1MHz @ R.T.ASTM D150-
Dielectric StrengthkV/mmASTM D116-
Electrical ResistivityWcm @ R.T.ASTM D18297.5 x 10-7
*Although we have no reason to doubt the accuracy of the data presented, Ferro-Ceramic Grinding Inc. offers this information for comparison only, and disclaims any and all liability from error, omissions or inaccuracies, such that it does not constitute a warranty or representation for which we shall assume legal responsibility.
 

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781.245.1833

sales@ferroceramic.com

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Ferro-Ceramic Grinding Inc.
5 Cornell Place
Wilmington, MA 01887

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