Under CopyrightKappes, WolfgangWolfgangKappes2022-03-1216.12.20142014https://publica.fraunhofer.de/handle/publica/38569910.24406/publica-fhg-385699State of the art of the presently applied inspection technology for hollow axles and solid axles; Conclusion from the Gap Analysis related to in-service inspection; Identification of possible improvements; Ultrasonic Phased Array technique; Synthetic Aperture Focusing Technique - SAFT; POD Simulation for axle testing; Induction Thermography for surface crack detection; Condition Monitoring; Outline of the Presentationenrailroadrailroad axlesinspectionultrasonic phased arraySAFTPOD simulationthermographycondition monitoring620658670Potential improvements of the presently applied in-service inspection of wheelset axlesconference paper