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- W2391896886 abstract "To analyze the evolution of voids at different depth of aluminum plate,a model in which the thickness of aluminum target was two times of the impact was created,and the Johnson-Cook constitutive equation was adopted.Results show that the void nucleates from coarse particle,and grows as a spherical shape.Because the peak amplitude and loading duration of tensile stress vary for voids at different depth,the void growth velocity relates to its location in target.For the void at material surface,the tri-axis tensile stress is zero,and the void nucleation and growth cannot be seen.Because the tensile stress is formed firstly at middle layer of the target,the void at middle layer begins to grow firstly.Because the peak amplitude of tensile stress is the largest and its loading duration is the longest,the growth velocity of the void at middle layer is the biggest.For voids from middle layer to two surfaces,the void starts to grow and the growth velocity decreases in turn.The simulation results agree with the experimental results well,which is useful to study void evolution behaviors under impact load./r/n" @default.
- W2391896886 created "2016-06-24" @default.
- W2391896886 creator A5073721593 @default.
- W2391896886 date "2013-01-01" @default.
- W2391896886 modified "2023-09-27" @default.
- W2391896886 title "FEM Simulation on Evolution of Voids at Different Depth in Aluminum Alloy Under Dynamic Impact Load" @default.
- W2391896886 hasPublicationYear "2013" @default.
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