Ceramics

Overview

Admaprint

The AdmaPrint feedstock is specially formulated with a mixture of photosensitive resins and a solid load of powder (ceramic or metal), called slurry. The use of light curing and slurries allows achieving high resolutions and very fine surface roughness in printed products. In addition, it prevents health hazards and (cross)contamination related to the use of dry powders. The AdmaPrint feedstocks can be used to print complex geometries, large and fine structures and a wide variety of functional products.

 

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Advanced ceramics for high-demanding applications

Al2O3 Alumina

Alumina (Al2O3) is one of the most commonly used ceramics in high-tech applications because of its wear resistance and its high chemical and temperature stability. Alumina finds applications in water purification, insulators, semiconductor components, and medical implants. The AdmaPrint A130, Admatec’s alumina recipe, delivers components with high relative density (> 99%) and smooth surfaces (Ra = 0.3-3 um).

Properties

  • High hardness
  • High electrical resistance
  • Refractoriness

Applications

  • Semiconductors and electronics
  • Medical implants
  • Valves and pumps

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Density (g/cm3)

Young’s modulus (GPa)

Bending strength (MPa)

Fracture toughness (MPa.m1/2)

Vickers hardness (HV)

Thermal conductivity W/mK

Thermal Expansion coefficient 10-6/K

Electrical resistance Ω/m

3,9

360

400

3.5

1600 (HV30)

30

7-8

1012

Note: The stated values are typical to this type of material, and may vary due to sintering conditions. This is non-contractual data to be used only for reference.

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ZrO2 Zirconia

With superior mechanical properties, zirconia (ZrO2) presents high flexural strength and fracture resistance. In addition, zirconia shows very low thermal conductivity, high chemical inertness, and biocompatibility. Among the applications of zirconia, we can find dental restorations, thermal barrier coatings, and jewelry. The AdmaPrint Z130, Admatec’s zirconia recipe, delivers mechanically strong products with high definition.

Properties

  • Low thermal conductivity
  • High electrical resistance
  • High toughness

Applications

  • Extrusion dies
  • Bearings
  • Jewelry

Density (g/cm3)

Young’s modulus (GPa)

Bending strength (MPa)

Fracture toughness (MPa.m1/2)

Vickers hardness (HV)

Thermal conductivity W/mK

Thermal expansion coefficient 10-6/K

Electrical resistance Ω/m

6.06

210

600-1000

6-9

1200 (HV30)

2-3

10

108

Note: The stated values are typical to this type of material, and may vary due to sintering conditions. This is non-contractual data to be used only for reference.

SiO2 Silica

Silica (SiO2) is well known for its thermal shock resistance and leachability (chemical dissolution). For these reasons, it is commonly used for the production of shells and cores in investment casting for aerospace and energy applications. The AdmaPrint S130, Admatec's silica-based recipe, delivers mechanically strong shells with excellent surface properties.

Properties

  • High thermal shock resistance
  • Chemical and mechanical leachability

Applications

  • High precision casting
  • Refractories

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Hydroxyapatite

Hydroxyapatite is a naturally occurring mineral that makes up most of the bones and teeth. Hydroxyapatite is very well-suited to use as a precursor in biomedical applications such as bone replacement and dental implants. Additive manufacturing brings the form freedom capabilities that allow the personalization of medical implants. Admatec produces the AdmaPrint B130 feedstocks that can generate porous yet strong products necessary in implantology.

Properties

  • Biocompatible

Applications

  • Bone grafting
  • Dental prosthetics and repair

Custom-developed slurry on demand

The Admaflex technology provides an open platform that allows the production of a multitude of materials. This allows the adaptation of the technique to customer-specific materials without having to modify the system.

We aim for continuous material improvement and development of new feedstocks for additive manufacturing of ceramics. Our in-house R&D department is able to develop new compositions and materials on client demand, as well as carry on with continuous materials development. If you have an application or material that you would like to use in additive manufacturing, we can help you with your developments.

If you have a trusted powder of your own or you didn’t find the material that you would like in our portfolio, you can contact us to launch a development project for adapting your materials to our stereolithography-based additive manufacturing technology.

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Request development of a custom slurry