Constitutive Model for the Subsequent Time-Dependent Deformations of Type 304 Stainless Steel at Room Temperature

Mayama, Tsuyoshi; Sasaki, Katsuhiko; Ishikawa, Hiromasa

Advances in Engineering Plasticity and Its Applications Pts 1-2, 2004, 229-234

Permalink : https://hdl.handle.net/2115/15884

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アクセス権
open access
URI
https://hdl.handle.net/2115/15884
タイトル
Constitutive Model for the Subsequent Time-Dependent Deformations of Type 304 Stainless Steel at Room Temperature
著者
Mayama, Tsuyoshi ; Sasaki, Katsuhiko ; Ishikawa, Hiromasa
著者名
Mayama, Tsuyoshi
e-Rad_Researcher
90215715
著者名
Sasaki, Katsuhiko
著者名
Ishikawa, Hiromasa
言語
英語
キーワード
Constitutive Model
Creep
Plasticity
Cyclic loading
Dislocation structure
TEM
発行日
2004
出版者
Trans Tech Publications
収録物名
Advances in Engineering Plasticity and Its Applications Pts 1-2
ページ
229-234
記述
Key Engineering Materials, Volume 274-276
抄録
In this study, subsequent time-dependent deformation after cyclic preloading and a constitutive model is discussed. Stress-strain curves of 10th and 30th cycle of cyclic loading under the strain rate of 0.01%/sec with the strain amplitude of 0.5% using Type 304 stainless steel at room temperature are almost same. However, creep and stress relaxation after the two cyclic loading are different due to the number of cycle of the cyclic preloading. The experimental results are simulated by a unified constitutive model. The model is constructed referring to dislocation observations after 10th and 30th cycles of cyclic loading by using TEM (Transmission Electron Microscope). The constitutive model shows good agreements with the experimental results of the subsequent creep and the subsequent stress relaxation.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
権利情報
the original is available online at www.scientific.net