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Impact Response and Analysis of Several Silicon Carbides

2004; Wiley; Volume: 1; Issue: 3 Linguagem: Inglês

10.1111/j.1744-7402.2004.tb00174.x

1744-7402

M. J. Normandia,

High-pressure geophysics and materials

Several hot‐pressed and sintered SiC variants were impacted with tungsten‐carbide (WC) spheres at velocities up to 1700 m/s. Ballistic response curves of areal density penetrated as a function of impact velocity were generated to compare ceramics for ballistic applications. Observed response curve features are shown to be similar to those observed for metal impacts. Ballistics penetration models that captured these features for metal targets were utilized to analyze the ceramic data. Visual examination of damage type and extent suggested that cavity expansion expressions for target resistance might help to quantify the strength of fully confined, damaged, comminuted ceramics. The experimental results, visual observations, and preliminary analysis using a ballistics penetration model are presented.