Inelastic behaviour of 214Cr-1Mo steel under plasticity-creep interaction condition: An interim report of the Bench Mark project by the subcommittee on inelastic analysis and life prediction of high temperature materials,JSMS |
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Authors: | Tatsuo Inoue Toshihide Igari Fusahito Yoshida Akihiko Suzuki Sumio Murakami |
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Affiliation: | Department of Mechanical Engineering, Kyoto University, Sakyo-ku, Kyoto 606, Japan;Nagasaki Technical Institute, Mitsubishi Heavy Industries, Ltd., Akunoura-machi 1-1, Nagasaki 850-91, Japan;Faculty of Engineering, Hiroshima University, Saijo, Higashi-Hiroshima 724, Japan;Technical Research Institute, Ishikawajima-Harima Heavy Industries, Co. Ltd., Toyosu 3-1-15, Koto-ku, Tokyo 135-91, Japan;Department of Mechanical Engineering, Nagoya University, Furo-cho, Chigusa-ku, Nagoya 464, Japan |
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Abstract: | Some of the interim results of the Bench Mark Project by the Subcommittee on the Inelastic Analysis and Life Prediction of High Temperature Materials, JSMS, is presented. The purpose of the present bench mark study is to review and evaluate the inelastic constitutive models relevant to material response under the plasticity-creep interaction.By specifying normalized and tempered steel at 600°C, sixteen bench mark problems of four categories are first established: (I) tensile stress-strain relations and creep curves, (II) material response under mixed modes of plastic and creep loading, (III) ratcheting and deformation under program loads, and (IV) cyclic deformation behaviour under the combination of different strain rates. Then, the outline of seventeen inelastic constitutive models of nine types discussed in this project is presented. Finally, the interim results of these bench mark tests are compared with the corresponding predictions of the constitutive models to evaluate their accuracy in simulating the actual behaviour of the material. |
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