Abstract
X-ray computed tomography (CT) is a non-destructive three-dimensional visualization method that uses the high penetrating power of hard X-rays with energy of 10 keV or higher to visualize the inside of a sample. We realized 4D (3D＋time) X-ray CT with a temporal resolution of 10 ms and a pixel size of 4.2 μm using a white synchrotron beam from a bending magnet source of the third-generation synchrotron facility. Real-time observation of the tensile fracture process of a tire rubber sample was successfully achieved for the first time. It is expected that our approach has various applications, such as mechanical fracture of soft materials, adhesive interface fracture, friction, and wear mechanisms.
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