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Report No.

Computerized tomography of fatigue cracks in steel material using synchrotron radiation white X-rays

Kiriyama, Koji; Shibano, Junichi*; Kajiwara, Kentaro*; Shobu, Takahisa ; Suzuki, Kenji*; Arai, Takayuki*; Miura, Setsuo*; Kobayashi, Michiaki*

Residual stress measurement and fractographycal study of cracks are important to understand SCC (Stress Corrosion Cracking) process. In this study, CT (Computerized Tomography) imaging of steel material (alpha-Fe) have performed at BL28B2 at SPring-8. The result showed that artificial crack in the sample was clearly measured by CT, and CT are very effective tool to measure an inner state of steel material.



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