Exfoliated Graphite Reinforced PMMA Composite: A Study on Nanoindentation and Scratch Behavior

<table>Comparison between the scratch hardness (<svg height="14.35" id="M11" style="vertical-align:-3.22282pt" version="1.1" viewbox="0 0 22.262501 14.35" width="22.262501" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.35)">
<g transform="translate(72,-60.52)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐻</tspan>
</text>
<text transform="matrix(1,0,0,-1,-61.03,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑆</tspan>
</text>
</g>
</g>
</svg>), indentation hardness (<svg height="14.2375" id="M12" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 24.7125 14.2375" width="24.7125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.2375)">
<g transform="translate(72,-60.61)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐻</tspan>
</text>
<text transform="matrix(1,0,0,-1,-61.03,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">I</tspan>
<tspan style="font-size: 8.75px; " x="2.9144161" y="0">T</tspan>
</text>
</g>
</g>
</svg>) and indentation modulus (<svg height="14.2375" id="M13" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 22.237499 14.2375" width="22.237499" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.2375)">
<g transform="translate(72,-60.61)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐸</tspan>
</text>
<text transform="matrix(1,0,0,-1,-63.02,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">I</tspan>
<tspan style="font-size: 8.75px; " x="2.9144161" y="0">T</tspan>
</text>
</g>
</g>
</svg>), for unreinforced PMMA and EG/PMMA nanocomposites.</table>

Journal of Nanotechnology

fig5

Figure 5

Figure 5: Exfoliated Graphite Reinforced PMMA Composite: A Study on Nanoindentation and Scratch Behavior 