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Carbon Materials for Aerospace Applications: Why Material Selection Matters

Lesezeit: 3 Minute(n)
Datum: 12. August 2026
Aerospace

Performance Starts with the Right Material

Aerospace components operate in some of the industry's most demanding environments. High mechanical loads, aggressive media, friction, and wear all place significant demands on the materials they are made from. 

For tribological applications, long-term performance begins long before a component is manufactured. It starts with selecting the material best suited to the application's operating conditions. 

This is where Schunk's expertise begins. As a specialist in carbon materials, Schunk helps customers identify the optimal material for their application before manufacturing precision components to customer specifications.  

Performance Starts with the Right Material

Why Material Selection Is Critical

No two aerospace applications are exactly alike. 

A carbon bearing in a fuel pump operates under very different conditions than a seal face in a turbine engine or a carbon fiber reinforced sleeve in a rotating system. Temperature, operating media, mechanical loads, and friction conditions all vary depending on the application. 

As a result, there is no universal carbon material. Different grades of carbon and electro-graphite offer distinct combinations of mechanical, thermal, and tribological properties, including strength, thermal conductivity, porosity, and temperature resistance. 

The key is selecting the material whose properties best match the specific requirements of the application.  

Material Expertise Starts at the Source

Selecting the right material requires more than an understanding of application requirements—it requires deep expertise in the material itself. 

As the only materials manufacturer in Europe with its own raw material production facilities, Schunk controls the entire process, from raw material production through quality-assured volume manufacturing. This integrated approach provides maximum control over material quality and performance throughout the value chain.  

That expertise is complemented by Schunk's in-house tribology laboratory, which supports customers in evaluating material performance and selecting the optimal material for their application.  

Tribology: Where Material Performance Makes the Difference

Tribology is the science of friction, wear, and lubrication. In aerospace applications, these factors have a direct impact on component performance, reliability, and service life. 

Depending on the material grade, carbon materials offer low friction, excellent wear resistance, and high resistance to temperature and operating media.  

In fluid-lubricated applications, even small amounts of liquid or vapor can significantly reduce friction and wear. Under suitable operating conditions, hydrodynamic lubrication can occur, virtually eliminating friction-related wear.  

 Precisely manufactured segmented ring with interlocking feature for use in sealing systems or rotating industrial equipment.

From Material Selection to Precision Manufacturing

Once the appropriate material has been selected, Schunk manufactures components according to the customer's specifications. 

Typical aerospace applications include: 

  • Carbon bearings for valves in air management systems  

  • Seal faces for mechanical seals in turbine engines  

The component design is defined by the customer. Schunk's contribution lies in selecting the appropriate material and manufacturing each component with the precision required for demanding aerospace applications. 

Material Expertise Instead of Standard Solutions

Every application presents its own technical challenges. That is why the process starts with a simple question: 

Which material is best suited for this application? 

Drawing on a broad portfolio of carbon and electro-graphite materials, combined with extensive expertise in materials engineering and tribology, Schunk helps customers identify the material that best meets their application requirements. Components are then manufactured according to customer specifications.  

This approach combines material expertise with precision manufacturing to deliver reliable solutions for demanding aerospace applications. 

Conclusion

Whether the application involves a carbon bearing, a mechanical seal, or a carbon fiber reinforced component, performance begins with selecting the right material. 

With a broad portfolio of carbon and electro-graphite materials, its own raw material production facilities, and an in-house tribology laboratory, Schunk helps customers identify the optimal material for demanding aerospace applications. Precision manufacturing according to customer specifications ensures those material properties are translated into reliable, high-performance components. 

Interested in more information?

Find further brochures, technical documents and information on carbon and electrographite materials for demanding aerospace applications.

Learn more about Schunk’s carbon and composite solutions for the aerospace industry, as well as materials and components for demanding aerospace applications.

 

 

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