Modelling of Ballistic Impact over a Ceramic-Metal Protection System

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Property</td><td align="center" colspan="2">Composition</td></tr><tr class="thead"><td align="center">B</td><td align="center">C</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Weibull modulus (m)</td><td align="center">8.4</td><td align="center">8.8</td></tr><tr><td align="left">Mean strength parameter, <svg height="12.325" id="M64" style="vertical-align:-3.3907pt" version="1.1" viewbox="0 0 21.775 12.325" width="21.775" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> (MPa)</td><td align="center">175.0</td><td align="center">171.3</td></tr><tr><td align="left">Reference rupture strength, <svg height="12.325" id="M65" style="vertical-align:-3.3907pt" version="1.1" viewbox="0 0 16.0625 12.325" width="16.0625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,9.663,12.112)"><path d="M241 635q53 0 94 -28.5t63.5 -76t33.5 -102.5t11 -116q0 -58 -11 -112.5t-34 -103.5t-63.5 -78.5t-94.5 -29.5t-95 28t-64.5 75t-34.5 102.5t-11 118.5q0 58 11.5 112.5t34.5 103t64.5 78t95.5 29.5zM238 602q-32 0 -55.5 -25t-35.5 -68t-17.5 -91t-5.5 -105
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</svg> (MPa)</td><td align="center">182.8</td><td align="center">178.5</td></tr><tr><td align="left">Vicker’s hardness (HV)</td><td align="center">1551.4</td><td align="center">1259.8</td></tr><tr><td align="left">Resistance against penetration on ceramic, <svg height="15.4" id="M66" style="vertical-align:-3.3907pt" version="1.1" viewbox="0 0 16.525 15.4" width="16.525" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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t-115.5 -72q40 -86 66 -133q39 -68 65 -101q28 -37 73 -51zM491 483q0 67 -33.5 101t-91.5 34q-35 0 -51 -10q-13 -8 -20 -48l-45 -245h49q71 0 113 28q79 52 79 140z" id="x1D445"></path></g>
<g transform="matrix(.012,-0,0,-.012,11.013,15.187)"><path d="M383 397q0 -32 -35 -49q-12 -6 -23 8q-37 45 -84 45t-90 -71q-40 -65 -40 -167q0 -57 22 -86t59 -29q38 0 81.5 24.5t69.5 51.5l16 -21q-44 -53 -104 -84t-109 -31q-56 0 -89.5 41t-33.5 117q0 61 30 124t79 105q33 28 81 50.5t86 22.5q34 0 59 -15.5t25 -35.5z" id="x1D450"></path></g>
</svg> (GPa)</td><td align="center">4.43</td><td align="center">3.60</td></tr><tr><td align="left">Density (g/cm<sup>3</sup>)</td><td align="center">3.90</td><td align="center">3.80</td></tr><tr><td align="left">Average grain size (<i>μ</i>m)</td><td align="center"><span style="width: 42.137501px;"><svg height="11.2875" id="M67" style="vertical-align:-0.3003pt" version="1.1" viewbox="0 0 42.137501 11.2875" width="42.137501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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Mechanical and physical properties of the ceramic plates.

Advances in Materials Science and Engineering

tab3

Table 3

Table 3: Modelling of Ballistic Impact over a Ceramic-Metal Protection System 