Transfert de technologie

High Temperature Materials and Multifunctional Materials

Applications

Turbine blade. Single crystal AM1, computed in cyclic viscoplasticity on parallel computer software

Hollow spheres mesh for simulation of mechanical and acoustic properties

 > Aerospace, Automotive

• Lightweight intelligent structures, crash impact energy absorption, high temperature acoustic absorptive materials (acoustic treatments for exhausts), materials for advanced engines, superalloys.

 > Power Generation

• Gas turbines, heat exchangers, compressors.

Keywords

• Materials, Ceramics, Metals, Composites, Systems of materials, Multifunctional materials, High temperature materials, Thermo mechanical fatigue, Lightweight structures, Intelligent material, Intelligent structure.

Advantages

• Unique expertise in developing new high-temperature and multi-functional materials.

Processing of materials

• Powder metallurgy processing.
• Single crystal processing.
• Directional solidification .
• Isothermal forging press and extrusion facilities, vacuum induction melting .

Testing

• Isothermal and thermo-mechanical characteristics of materials

  • Oxidation, corrosion tests.
  • Mechanical properties up to
    1400°C.
  • Tension, cyclic and multi-axial (biaxial, torsion, internal pressure) tests.
  • Creep testing.

Expertise

• Development of new advanced high temperature materials
  • Metallic and intermetallic alloys.
  • Composites.
  • Thermal barrier coatings.
  • Repair of turbine components.
• Multifunctional porous materials with reliable acoustic, crash energy absorptive, particle filtration properties
  • Processing materials by design modelisation and, prediction of properties.

Customers

• Darpa, Snecma, Turbomeca, European Commission, French Arms Procurement Agency [DGA].

© ONERA 2009 - Crédits et conditions d'utilisation