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 | Materials Summary | Alumina | Silicon Nitride | Zirconia | ZTA | Other Materials | Materials Properties

Materials…
Zirconia (ZrO2 or Zirconium Oxide)

Transformation Toughened

Zirconia Ceramic – Transformation Toughened Zirconia is one of the most studied ceramic materials. Zirconium dioxide (in its most naturally occurring form) is the mineral baddeleyite. Zirconia begins its life following a thermal treatment process (calcining) of the zirconium dioxide. This zirconia is further processed into different forms, including powder. Ceramco’s zirconia formulations utilize a “ready to press” type of zirconia powder for its near-net shaping manufacturing process.

Tough… Tougher

With a melting point of 2715°C and a boiling point of 4300°C, pure zirconia is extremely tough. However, when heated, phase changes in its physical characteristics reveal a weakness. In its tetragonal phase the expansion of a pure zirconia part results in internal stresses, leading to cracks. This inherent weakness is corrected with the addition of a stabilizer, such as yttria (Yttrium oxide, Y2O3), producing YTZP, a yttria partially stabilized zirconia.

A part made of YTZP zirconia remains stable as is moves from its monoclinic (room temperature) phase to its tetragonal (heated) phase and back again, resulting in lessened expansion, and minimal crack propagation. These changes are referred to as Transformation Toughening.

Ceramco manufactures OEM ceramic parts of YTZP zirconia for various markets with equally different environments. However, the common threads found making YTZP zirconia the material of choice often includes:

  1. Resistance to high abrasion
  1. Chemical stability
  1. Coefficient of thermal expansion similar to steel

Environments in which YTZP may not be suitable include long term water emersion and temperatures of 500° C (and above) in which case electrical conductivity must be avoided. As with all Ceramco OEM ceramic part orders, we work closely with the customer to arrive at a ceramic formulation that not only meets the spec, but also avoids such undesirable circumstances.

Zirconia oxygen sensorMore than “ Plain Vanilla”

Zirconia comes in many different flavors. YTZP is available in a variety of aesthetic appealing colors that can be polished to high luster. Depending upon the elements and additives used (yttria, MgO, ceria, alumina, etc.) zirconia's technical functionality can be adjusted for its use as an oxygen sensor or in composites like ZTA (zirconia toughened alumina).

Our material specifications display only a partial list of the zirconia ceramic formulations already thoroughly documented which are available to Ceramco customers.

People Making it Happen

In our 30+ years of manufacturing OEM ceramic parts, Ceramco also has transformed and toughened in the process. Although we now serve customers around the world, producing orders in excess of 50,000 pieces or more annually, our highly skilled staff remains sensitive to your needs regardless of the size of your company, or your order. Ceramco is ready to transform you into another satisfied customer.

Ready to Make it Happen for You

Do you need a quotation on your print for an OEM ceramic part? Submit an RFQ now, or contact Ceramco. You'll be greeted by a courteous customer service specialist ready to provide immediate, personal assistance. Ceramco specializes in manufacturing OEM ceramic parts with complex geometries, matching the appropriate forming process to your order's specifications and quantity:

Ceramco's Forming Process Methods

LPIM
Ceramco’s LPIM near-net shaping
Semi-automated, low to medium
volume injection molding

HPIM
Ceramco’s HPIM near-net shaping
Fully automated, high volume
injection molding

microPIM
Ceramco’s microPIM near-net shaping
Semi-automated, high volume
injection molding ≥ 0.05 grams

Additive
Ceramco’s additive manufacturing/3D manufacturing
Additive service bureau… 3D printing
prototypes & production quantities

Contact Ceramco, Inc.

  • CERAMCO INC
    1467 E MAIN ST
    CENTER CONWAY NH 03813
  • Call:  +1 (603) 447-2090
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