材料力学部門講演会講演論文集
Online ISSN : 2433-1287
会議情報
325 高サイクル疲労における界面近傍のすべり挙動解析
澄川 貴志北村 隆行
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会議録・要旨集 フリー

p. 213-214

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抄録
In the high cycle fatigue, the unique slip near the interface is caused by the increase of resolved shear stress, T_<rss>, due to the constraint of deformation at the interface. In this study, the stress field near the interphase boundary (IB) in a two-phase (α/γ) stainless steel bicrystal is analyzed by a finite element method. It was found that the increase of T_<rss> on the specific slip system is confined in a region near the junction of IB and the free face. Considering the critical resolved shear stress in the single crystal, the unique slip might be generated only near the junction in the high cycle fatigue.
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