Quantitative analysis of defects in composite material by means of optical lockin thermography

Beschreibung

In the aerospace industry, carbon-fiber reinforced plastic (CFRP) materials are becoming increasingly popular. Due to mechanical fracture and hence safety related issues, CFRP components must be inspected for defects with non-destructive methods. This thesis focuses on non-destructive testing of CFRP materials with optical lockin thermography. The field of quantitative analysis of thermographic measurements is enhanced. The data of geometrical parameters e.g. depth, size and shape of defects in structures of globally homogeneous and anisotropic CFRP materials is required for fracture mechanics.

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Christine Marguerite Zöcke

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EADS Kohlefaser verstärkter Kunsstoff Lockin Thermographie Zerstörungsfreie Prüfung

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