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Report No.

Non-destructive damage assessment in CFRP/Ti laminates by synchrotron radiation laminography

Nakatani, Hayato*; Kajiwara, Kentaro*; Akita, Koichi; Ogihara, Shinji*

Synchrotron radiation laminography at SPring-8 is employed to assess low velocity impact damage in CFRP/Ti laminates as one of the most interested Fibre-Metal Laminates (FMLs). During computed laminography bright X-ray is irradiated to an object with the axis of rotation inclined at an angle and thus it is suitable for the laterally extended geometry of composite laminate plates. It is confirmed how each damage mode in the CFRP/Ti laminates can be imaged by synchrotron radiation laminography by using model specimens that contain artificially induced damage. Then 3-dimensional imaging of impact-induced damage where each damage mode shows complex distribution is demonstrated and that is to our knowledge a novel result.



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