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Fracture mechanics testing at dynamic loading conditions requires appropriate methods for the measurement of force and displacement. In some cases additional measurement techniques must be used to obtain further information like the time of crack initiation. Dedicated standard pro-cedures for impact type dynamic fracture mechanics tests are not available. Several standards on quasistatic or elevated loading rate fracture mechanics testing provide some more general experi-mental guidelines and they often exclude impact conditions. Therefore, the first step of dynamic fracture mechanics investigations should always be to establish an appropriate and validated test method.