In-situ observation of damage formation in Fe-Mn alloy

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  • Seki Hitoshi
    Interdisciplinary Graduate School of Engineering Science, Kyushu University
  • Watanabe Hideo
    Research Institute for Applied Mechanics, Kyushu University
  • Yoshida Naoaki
    Research Institute for Applied Mechanics, Kyushu University

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  • Fe-Mn合金の応力下での欠陥形成のその場観察
  • Fe Mn ゴウキン ノ オウリョク カ デ ノ ケッカン ケイセイ ノ ソノバ カンサツ

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Abstract

PWR type nuclear reactor pressure vessels is added stress when it during operation. Therefore it is important to know the effect of irradiation brittleness of the material. To study the influence of the stress on the nuclear reactor pressure vessel steal, the sample was irradiated under applied stress by using a high voltage electron microscope. Fe-1.4(w %) Mn alloy was used in this study as model alloy of A533B steel. The influence of the damage formation process was discussed in this paper.

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