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Normal projectile penetration and perforation of layered targets

Normal projectile penetration and perforation of layered targets,10.1016/0734-743X(88)90028-0,International Journal of Impact Engineering,J RADIN,W GO

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Normal projectile penetration and perforation of layered targets   (Citations: 47)
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Journal: International Journal of Impact Engineering - INT J IMPACT ENG , vol. 7, no. 2, pp. 229-259, 1988
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    • ...Experimental results by Radin and Goldsmith (1988)...
    • ...Therefore, we had to restrict ourselves to the data reported by Radin and Goldsmith (1988) for the shields consisting of plates manufactured from Lexan and Aluminum...
    • ...In a study by Radin and Goldsmith (1988), the ballistic limit velocities for 60-grad conical-nosed projectile penetrating into adjacent layered targets composed of diÄerent materials (2024-0 aluminum and Lexan) are investigated...
    • ...Three series of experiments have been found such that each of the series can be characterized by constants B+, B, Di and N. The results of the analysis are presented in Table 2. If one selects s as a yield stress parameter (s+=172 MPa and s=270 MPa, Radin and Goldsmith, 1988), r+=1290 kg/m 3 and r=2765 kg/m 3 ...

    G. Ben-Dor, et al. The optimum arrangement of the plates in a multi-layered shield

    • ...Simplified analytical models were derived and used for the analysis and optimization of the shields consisting of the layers manufactured from diÄerent materials, e.g., ductile multi-layered shields [1‐7], aluminum/Lexan combinations [8], ceramic-faced armors [9‐19]...

    G. Ben-Dor, et al. Optimization of two component ceramic armor for a given impact velocit...

    • ...Radin and Goldsmith [5] studied the resistance to penetration of monolithic or multi-layer aluminum and a combination of aluminum and polycarbonate targets...
    • ...In their model [5], flatted and conical projectiles were compared at normal impact and in contact layers...
    • ...Dimensional and physical properties of projectile and target materials are listed in Table 1 and 2. In Table 3 values of ballistic limit velocities based on the theory developed in this paper are compared with the experimental results of Radin and Goldsmith [5] at normal impact to monolithic aluminum targets...
    • ...Comparison of ballistic limit velocities of the new model and the experimental result of Radin and Goldsmith [5] at normal impact to multi layer aluminum targets in spaced and in direct contact layers are presented in Table 4. In Table 5, the results of new model ballistic limit velocities are compared with the experimental result of Radin and Goldsmith [5] in normal impact to contacted multi layer targets...
    • ...Comparison of ballistic limit velocities of the new model and the experimental result of Radin and Goldsmith [5] at normal impact to multi layer aluminum targets in spaced and in direct contact layers are presented in Table 4. In Table 5, the results of new model ballistic limit velocities are compared with the experimental result of Radin and Goldsmith [5] in normal impact to contacted multi layer targets...
    • ...New model Experimental [5] 1.6 51.9 52.5 3.2 84.7 93.2 4.8 117 138 6.4 150 180 G. H. Liaghat / et al...
    • ...No. of layer × Contact layers In direct Spaced layers Thickness (mm) New model Experiment [5] New model Experiment [5] 1.6 (mm)×2 80.5 93.2 74 90.6 1.6 (mm)×3 108.2 124 91.6 -- 1.6 (mm)×4 137.2 157.7 106 -- 3.2 (mm)×2 143.5 160.4 122 153.6 1.6(mm)+3.2(mm) 112.2 129 100.7 --...
    • ...No. of layer × Contact layers In direct Spaced layers Thickness (mm) New model Experiment [5] New model Experiment [5] 1.6 (mm)×2 80.5 93.2 74 90.6 1.6 (mm)×3 108.2 124 91.6 -- 1.6 (mm)×4 137.2 157.7 106 -- 3.2 (mm)×2 143.5 160.4 122 153.6 1.6(mm)+3.2(mm) 112.2 129 100.7 --...
    • ...Layer thickness Ballistic limit velocity(m/s) (mm) New model Experiment [5] 1.6Al+3.2LE 92.9 95.8 3.2AL+4.8LE 146.6 175.5 3.2AL+3.2LE 122.9 125.7 1.6AL+3.2LE+1.6AL 123.2 127.5...
    • ...With regard to Table 3, it is clear that for single layer targets, the results of the theory of this paper are consistent with the experimental results of Radin and Goldsmith [5] at normal impact to aluminum targets...
    • ...Radin and Goldsmith [5] in which conical projectiles perforate in the direct contact multi-layer targets made from different materials...

    G. H. LIAGHAT, et al. THE MECHANICS OF NORMAL AND OBLIQUE PENETRATION OF CONICAL PROJECTILES...

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