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

Mayama, T.; Sasakia, K.

International Journal of Plasticity, 2006, 22(2), 374-390

Permalink : https://hdl.handle.net/2115/7372

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アクセス権
open access
URI
https://hdl.handle.net/2115/7372
タイトル
Investigation of Subsequent Viscoplastic Deformation of Austenitic Stainless Steel Subjected to Cyclic Preloading
著者
e-Rad_Researcher
40333629
著者名
Mayama, T.
眞山, 剛
e-Rad_Researcher
90215715
著者名
Sasakia, K.
言語
英語
キーワード
Creep
Dislocations
Stress relaxation
Cyclic loading
Viscoplastic material
Electron microscopy
Mechanical testing
発行日
2006-02
出版者
Elsevier Ltd
収録物名
International Journal of Plasticity
巻(号)
22(2)
ページ
374-390
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.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
PISSN
0749-6419
関連情報
URI
http://www.sciencedirect.com/science/journal/07496419
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1016/j.ijplas.2005.03.008