Shuji Yamamoto, Kenji Yoneda, Shu A. Hayashi, Katsuhei Kobayashi, Itsuro Kimura, Takashi Suzuki , Hiroshi Nishihara, Satoshi Kanazawa
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Application of iron-filtered neutrons to radiography of a copper step within a large iron block and to computer tomography of metallic cylinders
A time-of-flight technique and iron-filtered neutrons were applied to neutron radiography and to computer tomography. By making use of iron-filtered neutrons, the existence of 1 mm thick copper within an iron block of 20 cm thickness could be clearly distinguished. To investigate the possibility of neutron computer tomography using iron-filtered neutrons, two cylindrical metallic samples made of CuFePb and CuFeAl were used. From the reconstructed image of the samples, we could clearly see the internal structures.
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