Parameters for the material failure model based on Charpy impact test

Xu Xiaodong; Li Hualiang; Zhang Tao

doi:10.11883/1001-1455(2016)01-0057-07

Volume 36 Issue 1

Oct. 2018

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Xu Xiaodong, Li Hualiang, Zhang Tao. Parameters for the material failure model based on Charpy impact test[J]. Explosion And Shock Waves, 2016, 36(1): 57-63. doi: 10.11883/1001-1455(2016)01-0057-07

Citation:

Xu Xiaodong, Li Hualiang, Zhang Tao. Parameters for the material failure model based on Charpy impact test[J]. Explosion And Shock Waves, 2016, 36(1): 57-63. doi: 10.11883/1001-1455(2016)01-0057-07

Xu Xiaodong, Li Hualiang, Zhang Tao. Parameters for the material failure model based on Charpy impact test[J]. Explosion And Shock Waves, 2016, 36(1): 57-63. doi: 10.11883/1001-1455(2016)01-0057-07

Citation:

Xu Xiaodong, Li Hualiang, Zhang Tao. Parameters for the material failure model based on Charpy impact test[J]. Explosion And Shock Waves, 2016, 36(1): 57-63. doi: 10.11883/1001-1455(2016)01-0057-07

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Parameters for the material failure model based on Charpy impact test

doi: 10.11883/1001-1455(2016)01-0057-07

1.
School of Naval Architecture and Ocean Engineering, Huazhong University ofScience & Technology, Wuhan 430074, Hubei, China
2.
No.719 Research Institute of China Shipbuilding Industry Corporation, Wuhan 430064, Hubei, China

Received Date: 2014-07-18
Rev Recd Date: 2015-04-30
Publish Date: 2016-01-25

Abstract

Abstract

This paper aims to obtain the parameters for the failure model based on the Charpy impact test, which has been widely used to study dynamic fracture properties of metallic materials. Based on the explicit dynamic finite element method in ABAQUS, FEM model of Charpy impact test was conducted. We began by discussing the accuracy of the parameters of JC constitutive model and the grid size of the fracture section of V-notch specimen. Then, based on the orthogonal design method, we designed a set of parameters for JC failure model and obtained using finite element calculation the samples of the parameters and impact energy. Next, we obtained the regression equations containing the parameters and impact energy by regression analysis and finally, by solving these regression equations, we achieved the comparatively accurate parameters for JC failure model for Q370d steel. These parameters will be useful for engineering applications and our method will be a valuable way to obtain parameters for other kinds of materials, especially without necessarily meeting the conditions of performing some tests.
- solid mechanics,
- parameter of JC failure model,
- Charpy impact test,
- Q370d steel,
- orthogonal design method,
- regression analysis

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References(17)

References

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