Technology Transfer

Micro Indentation up to 1000°C: Coatings Application

Applications

High temperature microindentation bench (20 to 900°C)
 
Indenter tip in contact with the material at 800°C

 > Aerospace

• High temperature thermal barrier coatings for turbine blades.
• Innovative high temperature materials (ceramics, metals, coatings etc.).

 > Automotive

• New coatings for high temperature applications.

 > Industry

• Glass processing expertise.

Keywords

• Instrumented indentation, High temperature, Micromechanical test, Behaviour law, Young's Modulus, Creep properties.

Advantages

• Unique high temperature micro indentation testing to determine mechanical properties of local material.
• Accurate life-time prediction of thermal barrier coatings.
• Local influence of material composition.

Testing

• Continuous measurements at low load (1-4 N) and small displacement (1-10 µm).
• Temperature range: 20 – 1000° C.
• Heating rate: 10 °C/mn.
• Atmosphere: Argon.
• Indent punch: Diamond or Ruby Vickers.
• Sample test size: 4x5x10 mm (custom size possible).

Ultra High temperature microindentation bench (20 to 1000°C)

Experimental and modelised curves to extract mechanical parameters

Last Update: 3 October 2006 - © ONERA 2009 - Terms of use