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Available Materials for the LCM-Process

Lithoz offers its customers various materials for the additive manufacturing of high-performance ceramics. Each raw material is perfectly adjusted to fit Lithoz’ complete system and enables the production of high-quality parts.

Lithoz’ ceramic materials enable the production of parts which exhibit equal or similar material properties to conventionally manufactured parts. Especially considering density and stability, additively manufactured components are in accordance with the high requirements of the ceramic industry and ceramic research.

Individual customer support and customer advice is very important to us. Lithoz supports its customers with choosing the right materials.

STANDARD MATERIALS

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ALUMINUM OXIDE

Aluminum oxide‘s distinguishing features are its high degree of hardness, its corrosive stability and its temperature stability. Parts made of alumina are electrically insulated and dielectrically strong.

With the LithaLox HP 500, Lithoz provides a highly pure aluminum oxide with outstanding material properties. Its high density (>99.4%T.D.), high 4-point bending strength (430MPa) and very smooth surface (Ra = 0.4 μm) are all noteworthy properties.

LithaLox 350 D is an advanced development for the realization of highly-complex components with canals and boreholes of small diameter.

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ZIRCONIUM OXIDE

3 mol % yttria stabilized zirconia distinguishes itself with its especially high stability towards thermal, chemical and mechanical influences. Its high density and impact resistance further underline this material‘s many advantages.

LithaCon 3Y 610 Purple features a 4-point bending strength of 700MPa and a density of 6.04 g/cm3 (99.8 % T.D.). The surface roughness (Ra) amounts to 0.6μm.

Various colors are available upon request!

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SILICON NITRIDE

Due to its exceptional combination of properties, silicon nitride is put to use where the highest mechanical strain or severe thermal cycling take place. Being highly stable while simultaneously low in density, silicon nitride is especially interesting for lightweight construction.

LithaNit 720 is a silicon nitride with sinter additives (Al2O3, Y2O3) which can be employed for industry as well as aerospace applications. LithaNit 720 reaches a density of 3.25 g/cm3, a biaxial strength of 760 MPa and a density (HV10) of 1500.

MATERIALS FOR SPECIAL APPLICATIONS

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BONE-REPLACEMENT MATERIAL TRICALCIUM PHOSPHATE

Tricalcium phosphate (TCP) is especially suited as bone-replacement material because it is resorbed by the body. It facilitates the production of patient-specific implants with defined pore structures and geometries and is ideal for realizing bionic designs, fine canals and defined cellular pore structures.

LithaBone 200 is TCP-based and has coordinated mechanical properties and microporosity dependent on the applied sintering conditions. The material can be used as bioresorbable bone replacement material. To induce bone growth, printed parts can be modified using growth factors. Relative density can be varied between 75 % and 90 % in accordance to strength levels of 20 to 33 MPa.

LithaBone 300 D is an advanced development based on ISO 13485-certified TCP powders.

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SILICA-BASED MATERIALS FOR CASTING CORES

Silica-based materials with various additives have already established themselves as a staple in the production of casting cores due to their high temperature stability and leachability.

LithaCore 450 is a silica-based casting core material with alumina and zircon for the casting of steel and nickel-based super alloys. Its temperature stability and leachability in combination with the creative freedom of 3D-printing make it perfect for realizing virtually any design with excellent surface properties.

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CUSTOMER-SPECIFIC MATERIALS

With its CeraFab systems Lithoz offers its customers an open system with which a multitude of ceramic materials can be processed. This enables the processing of individual, customer-specific powders without having to modify the material. In principal, the LCM technology is suited for processing sinterable powders. In the past years, this has led to the processing of the following materials (amongst others) using the LCM technology:

• dielectrical ceramics

• hydroxyapatite

• bioglass

• cermets

• cordierite

• porcelain

• magnesium oxide

• hydrogels

Feasibility Studies for Customer-Specific Material Developments

Can’t find the material you want?

Or do you have your own powder that you would like to use? Then use Lithoz’ customer-specific material development service!

The reasons behind wanting materials that has been specially adapted to fit your needs are as manifold as the possible uses of the LCM technology! They range from a demand of ceramic material for prototype production for tests all the way to complex challenges, which require the production of materials with specific properties. Companies have often adjusted their processes to fit certain powder qualities, which subsequently requires the use of their own material.

To generate customized materials, the necessary adaptations to the process and the organic binder component are made on the basis of a feasibility study. This enables the production of high quality products.

Contact us!

Are you interested yet? If you want to find out more about our customer-specific material development service and feasibility studies, send a short message to our DI Mr. Peter Schneider at [email protected]  or call at: +43 1 9346612-206.

Mr. Schneider will gladly take the time to advise you and address any questions you may have.