Dynamic mechanical behavior and constitutive relation of the ship-built steel 907A

Ying Li; Yu Wang; Weiguo Wu; Zhipeng Du; Xiaobin Li; Wei Zhang

doi:10.3969/j.issn.1006-7043.201311093

Dynamic mechanical behavior and constitutive relation of the ship-built steel 907A

Ying Li^*, Yu Wang, Weiguo Wu, Zhipeng Du, Xiaobin Li, Wei Zhang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

In order to get the dynamic mechanical properties and constitutive relation of the ship-built steel 907A, the stress-strain curve within the scope of 0.00033~2680 s^-1 under quasi static stretching and dynamic compression condition was derived using the static testing machine and split Hopkinson press bar (SHPB). The Johnson-Cook (JC) model and Cowper-Symonds (CS) model were compared and the hardening effect of strain was corrected based on the CS model. The results showed that ship-built steel 907A has a remarkable effect in strengthening strain rate and hardening nonlinear strain, and the CS model can describe the effect of strengthening strain more exactly than JC model.

Original language	English
Pages (from-to)	127-129
Number of pages	3
Journal	Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University
Volume	36
Issue number	1
DOIs	https://doi.org/10.3969/j.issn.1006-7043.201311093
Publication status	Published - 25 Jan 2015
Externally published	Yes

Keywords

Constitutive model
Cowper-Symonds mode
Dynamic mechanical behavior
Ship-built steel 907A

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10.3969/j.issn.1006-7043.201311093

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Li, Y., Wang, Y., Wu, W., Du, Z., Li, X., & Zhang, W. (2015). Dynamic mechanical behavior and constitutive relation of the ship-built steel 907A. Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University, 36(1), 127-129. https://doi.org/10.3969/j.issn.1006-7043.201311093

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abstract = "In order to get the dynamic mechanical properties and constitutive relation of the ship-built steel 907A, the stress-strain curve within the scope of 0.00033~2680 s-1 under quasi static stretching and dynamic compression condition was derived using the static testing machine and split Hopkinson press bar (SHPB). The Johnson-Cook (JC) model and Cowper-Symonds (CS) model were compared and the hardening effect of strain was corrected based on the CS model. The results showed that ship-built steel 907A has a remarkable effect in strengthening strain rate and hardening nonlinear strain, and the CS model can describe the effect of strengthening strain more exactly than JC model.",

keywords = "Constitutive model, Cowper-Symonds mode, Dynamic mechanical behavior, Ship-built steel 907A",

author = "Ying Li and Yu Wang and Weiguo Wu and Zhipeng Du and Xiaobin Li and Wei Zhang",

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doi = "10.3969/j.issn.1006-7043.201311093",

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T1 - Dynamic mechanical behavior and constitutive relation of the ship-built steel 907A

AU - Li, Ying

AU - Wang, Yu

AU - Wu, Weiguo

AU - Du, Zhipeng

AU - Li, Xiaobin

AU - Zhang, Wei

PY - 2015/1/25

Y1 - 2015/1/25

N2 - In order to get the dynamic mechanical properties and constitutive relation of the ship-built steel 907A, the stress-strain curve within the scope of 0.00033~2680 s-1 under quasi static stretching and dynamic compression condition was derived using the static testing machine and split Hopkinson press bar (SHPB). The Johnson-Cook (JC) model and Cowper-Symonds (CS) model were compared and the hardening effect of strain was corrected based on the CS model. The results showed that ship-built steel 907A has a remarkable effect in strengthening strain rate and hardening nonlinear strain, and the CS model can describe the effect of strengthening strain more exactly than JC model.

AB - In order to get the dynamic mechanical properties and constitutive relation of the ship-built steel 907A, the stress-strain curve within the scope of 0.00033~2680 s-1 under quasi static stretching and dynamic compression condition was derived using the static testing machine and split Hopkinson press bar (SHPB). The Johnson-Cook (JC) model and Cowper-Symonds (CS) model were compared and the hardening effect of strain was corrected based on the CS model. The results showed that ship-built steel 907A has a remarkable effect in strengthening strain rate and hardening nonlinear strain, and the CS model can describe the effect of strengthening strain more exactly than JC model.

KW - Constitutive model

KW - Cowper-Symonds mode

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KW - Ship-built steel 907A

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Dynamic mechanical behavior and constitutive relation of the ship-built steel 907A

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Keywords

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