A Void Growth Model Considering the Bauschinger Effect and Its Application to Spall Fracture

CHEN Qian-Yi; LIE Kai-Xin

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A Void Growth Model Considering the Bauschinger Effect and Its Application to Spall Fracture

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@@ A void growth model considering the Bauschinger effect (BE) is proposed for ductile mater/Ms sustaining impact loading.Numerical simulations of two high-velocity impact problems are carried out by our newly developed Eulerian programs.The proposed model is tested by a plate impact problem and a qualitative agreement with the experiment is obtained.Then a more complicated problem, a plate impacted by a spherical projectile at a velocity of 6.0 km/s, is simulated.The numerical results are in better accordance with the experimental data when the BE is considered.The proposed model reveaJs that the BE has an obvious effect on the spall process.

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《中国物理快报：英文版》 |2011年第6期|183-186|共4页
作者
CHEN Qian-Yi; LIE Kai-Xin;
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LTCS and Department of Mechanics & Aerospace Engineering, College of Engineering, Peking University, Beijing 100871;

Center for Applied Physics and Technology, Peking University, Beijing 100871;

LTCS and Department of Mechanics & Aerospace Engineering, College of Engineering, Peking University, Beijing 100871;

Center for Applied Physics and Technology, Peking University, Beijing 100871;

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A Void Growth Model Considering the Bauschinger Effect and Its Application to Spall Fracture

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