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    • Characterization of Defects by Non-Destructive Impulse Excitation Technique for 3D Printing FDM Polyamide Materials in Bending ModePeer reviewedOpen access 

      25 juillet 2025, Jabri, Fatima-Ezzahrae; Ochana, Imi; Ducobu, François; El Alaiji, Ra; DEMARBAIX, Anthoninorcid-id, HE Condorcet
      Article scientifique
      Abstract : "The presented article analyzes the impact of internal defects on the modal responses of polyamide parts subjected to bending. Samples with defects of various sizes (0, 3, 5, 7, and 10 mm) located at the neutral bending line were tested. Modal properties were measured via an acoustic and a vibration sensor, using impulse excitation and fast Fourier transform (FFT) analysis. Modal properties ...