Special acoustic sensor on the Charpy pendulum detects when crack starts to propagate. This sensor and SEP1315 standard [9] and [11] enable to split energy for initiation and energy for propagation from the total energy for fracture.
Special acoustic sensor on the Charpy pendulum detects when crack starts to propagate. This sensor and SEP1315 standard [9] and [11] enable to split energy for initiation and energy for propagation from the total energy for fracture.