Dynamic Mechanical Behavior and Constitutive Relation of Shipbuilding E36 Steel

Wei Zhang; Liu Wei Mao; Kun Yang; Ying Li

doi:10.3969/j.issn.1007-7294.2022.06.011

Dynamic Mechanical Behavior and Constitutive Relation of Shipbuilding E36 Steel

Wei Zhang, Liu Wei Mao, Kun Yang, Ying Li^*

^*Corresponding author for this work

Institute of Advanced Structure Technology

Naval Academy

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

1 Citation (Scopus)

Abstract

The σ-ε relation of shipbuilding E36 steel under different strain rates (0.0002-3900 s-1) was studied by the MTS (materials test system) and the split Hopkinson press bar (SHPB), two improved Cowper-Symonds models and the parameters were obtained, and then the applicability of the models was investigated. The experimental results show that shipbuilding E36 steel has remarkable strain rate effect and nonlinear strain hardening effect. The dynamic constitutive model of shipbuilding E36 steel can describe the dynamic mechanical behaviors under high strain rate.

Translated title of the contribution	船用E36 钢的动态力学行为及本构关系
Original language	English
Pages (from-to)	912-918
Number of pages	7
Journal	Chuan Bo Li Xue/Journal of Ship Mechanics
Volume	26
Issue number	6
DOIs	https://doi.org/10.3969/j.issn.1007-7294.2022.06.011
Publication status	Published - Jun 2022

Keywords

Cowper-Symonds model
Dynamic mechanical behavior
E36 steel
Impact loading

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10.3969/j.issn.1007-7294.2022.06.011

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title = "Dynamic Mechanical Behavior and Constitutive Relation of Shipbuilding E36 Steel",

abstract = "The σ-ε relation of shipbuilding E36 steel under different strain rates (0.0002-3900 s-1) was studied by the MTS (materials test system) and the split Hopkinson press bar (SHPB), two improved Cowper-Symonds models and the parameters were obtained, and then the applicability of the models was investigated. The experimental results show that shipbuilding E36 steel has remarkable strain rate effect and nonlinear strain hardening effect. The dynamic constitutive model of shipbuilding E36 steel can describe the dynamic mechanical behaviors under high strain rate.",

keywords = "Cowper-Symonds model, Dynamic mechanical behavior, E36 steel, Impact loading",

author = "Wei Zhang and Mao, {Liu Wei} and Kun Yang and Ying Li",

year = "2022",

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doi = "10.3969/j.issn.1007-7294.2022.06.011",

language = "English",

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journal = "Chuan Bo Li Xue/Journal of Ship Mechanics",

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T1 - Dynamic Mechanical Behavior and Constitutive Relation of Shipbuilding E36 Steel

AU - Zhang, Wei

AU - Mao, Liu Wei

AU - Yang, Kun

AU - Li, Ying

PY - 2022/6

Y1 - 2022/6

N2 - The σ-ε relation of shipbuilding E36 steel under different strain rates (0.0002-3900 s-1) was studied by the MTS (materials test system) and the split Hopkinson press bar (SHPB), two improved Cowper-Symonds models and the parameters were obtained, and then the applicability of the models was investigated. The experimental results show that shipbuilding E36 steel has remarkable strain rate effect and nonlinear strain hardening effect. The dynamic constitutive model of shipbuilding E36 steel can describe the dynamic mechanical behaviors under high strain rate.

AB - The σ-ε relation of shipbuilding E36 steel under different strain rates (0.0002-3900 s-1) was studied by the MTS (materials test system) and the split Hopkinson press bar (SHPB), two improved Cowper-Symonds models and the parameters were obtained, and then the applicability of the models was investigated. The experimental results show that shipbuilding E36 steel has remarkable strain rate effect and nonlinear strain hardening effect. The dynamic constitutive model of shipbuilding E36 steel can describe the dynamic mechanical behaviors under high strain rate.

KW - Cowper-Symonds model

KW - Dynamic mechanical behavior

KW - E36 steel

KW - Impact loading

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U2 - 10.3969/j.issn.1007-7294.2022.06.011

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SP - 912

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JO - Chuan Bo Li Xue/Journal of Ship Mechanics

JF - Chuan Bo Li Xue/Journal of Ship Mechanics

IS - 6

ER -

Dynamic Mechanical Behavior and Constitutive Relation of Shipbuilding E36 Steel

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Keywords

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