著者
松田 翔太 政田 尚也 塩澤 大輝 中井 善一 三浦 亮太郎
出版者
一般社団法人日本機械学会
雑誌
M&M材料力学カンファレンス
巻号頁・発行日
vol.2013, pp."OS1503-1"-"OS1503-3", 2013-10-12

X-ray diffraction contrast tomography (DCT) is a technique for three-dimensional grain mapping of polycrystalline material. Measurement of DCT has been conducted m SPring-8 and shape and location of grain can be determined by DCT technique using the apparatus in BL19B2. For evaluation of plastic deformation by DCT, tensile and cyclic loading was applied to the sample during the measurement of DCT. The diffraction spots belonging to certain grain appear over some continuous projection images. The rotation angle range where diffraction spot appear is defined as grain orientation spread, and the grain orientation spread was counted in tensile tests and fatigue test. In the tensile test, the grain orientation spread increases in the plastic deformation. In the fatigue test, grain orientation spread increases with increasing m the number of cycles. It is possible to evaluate fatigue damage by DCT technique and using the grain orientation spread.

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こんな論文どうですか? OS1503 高輝度放射光を用いた回折コントラストトモグラフィによる疲労損傷評価に関する検討(松田 翔太ほか),2013 https://t.co/IYKTZl1edu
こんな論文どうですか? OS1503 高輝度放射光を用いた回折コントラストトモグラフィによる疲労損傷評価に関する検討(松田 翔太ほか),2013 https://t.co/IYKTZl1edu
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こんな論文どうですか? OS1503 高輝度放射光を用いた回折コントラストトモグラフィによる疲労損傷評価に関する検討(松田 翔太ほか),2013 https://t.co/SgTm4Px6k0

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