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Investigation of Subsequent Viscoplastic Deformation of Austenitic Stainless Steel Subjected to Cyclic Preloading

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タイトル: Investigation of Subsequent Viscoplastic Deformation of Austenitic Stainless Steel Subjected to Cyclic Preloading
著者: Mayama, T. 著作を一覧する
Sasakia, K. 著作を一覧する
キーワード: Creep
Dislocations
Stress relaxation
Cyclic loading
Viscoplastic material
Electron microscopy
Mechanical testing
発行日: 2006年 2月
出版者: Elsevier Ltd
誌名: International Journal of Plasticity
巻: 22
号: 2
開始ページ: 374
終了ページ: 390
出版社 DOI: 10.1016/j.ijplas.2005.03.008
抄録: This paper investigates the effects of cyclic preloading on the subsequent viscoplastic deformation. A series of experiments such as the subsequent creep, subsequent stress relaxation, and cyclic loading with strain rate changes after cyclic preloading were conducted with Type 304 stainless steel at room temperature. The cyclic proportional and non-proportional loadings were conducted as cyclic preloadings. Tension-compression loading was chosen as the cyclic proportional loading, and circular and cruciform loading as the cyclic non-proportional loading. The experimental results showed that the subsequent deformation changes with the number of cycles of cyclic preloading. The differences in the subsequent deformation were examined by transmission electron microscopy (TEM). The observations suggest that changes in the dislocation structure depending on the number of cycles of cyclic preloading affect the subsequent viscoplastic deformation.
Relation (URI): http://www.sciencedirect.com/science/journal/07496419
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/7372
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 眞山 剛

 

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