椭圆截面弹体贯穿有限厚金属靶特性研究

Wei, Haiyang; Liu, Junwei; Zhang, Xianfeng; Liu, Chuang; Li, Pengcheng; Li, Qiao

doi:10.1007/s10409-022-22429-x

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Acta Mech. Sin.

2023

DOI: 10.1007/s10409-022-22429-x

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椭圆截面弹体贯穿有限厚金属靶特性研究

Haiyang Wei

Junwei Liu

Xianfeng Zhang

et al.

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2024

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Cited by 1 publication

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Quasi-Static Finite Cylindrical Cavity Expansion Model for Long-Rod Penetration into Cylindrical Metal Thick Targets with Finite Diameters

Lu,

Tao,

Chen

et al. 2024

Applied Sciences

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A quasi-static finite cavity cylindrical expansion model is proposed to investigate the lateral boundary effect during long-rod penetration. Analytical solutions for the cavity pressure in the elastic–plastic stage and plastic stage are obtained, through which a decay function for the lateral boundary effect is constructed. The resistance of the target with finite diameter RT is obtained by multiplying the decay function with the resistance of infinite target RT*. Then, a theoretical model for the penetration into the metal targets with finite diameters by long rods is proposed by substituting RT into the Alekseevskii–Tate model. The proposed model is verified by comparison with existing experimental results. Furthermore, the effect of the target diameter, initial impact velocity and yield criterion on the penetration depth and resistance are investigated. The results showed that the lateral boundary effect should be taken into account if the ratio of the target radius to the rod radius (rt0/RP) is less than 25.

show abstract

Quasi-Static Finite Cylindrical Cavity Expansion Model for Long-Rod Penetration into Cylindrical Metal Thick Targets with Finite Diameters

Lu,

Tao,

Chen

et al. 2024

Applied Sciences

View full text Add to dashboard Cite

show abstract

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椭圆截面弹体贯穿有限厚金属靶特性研究

Cited by 1 publication

References 38 publications

Quasi-Static Finite Cylindrical Cavity Expansion Model for Long-Rod Penetration into Cylindrical Metal Thick Targets with Finite Diameters

Quasi-Static Finite Cylindrical Cavity Expansion Model for Long-Rod Penetration into Cylindrical Metal Thick Targets with Finite Diameters

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