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MXene-reinforced Elium <sup>®</sup> composites: A comprehensive study on tensile and flexural strengths, fracture toughness, thermal properties and damage mechanisms
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DOI：10.1177/10567895261465215.png)
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Abstract
En 中文
<jats:p>
This study reports the synthesis of multilayer Ti
<jats:sub>3</jats:sub>
C
<jats:sub>2</jats:sub>
T
<jats:sub>x</jats:sub>
MXene through selective etching of Ti
<jats:sub>3</jats:sub>
AlC
<jats:sub>2</jats:sub>
and its incorporation into Elium
<jats:sup>®</jats:sup>
thermoplastic resin at loadings of 0.25–1.0 wt.%. The resulting nanocomposites were characterized by scanning electron microscopy (SEM), X-ray diffraction, thermogravimetric analysis/differential scanning calorimetry, and mechanical tests, including tensile (ASTM D638), flexural (ASTM D790), and fracture toughness (ASTM D5045) analyses. The 0.75 wt.% MXene composite exhibited the most balanced performance, achieving a tensile strength of 69.45 MPa, a flexural strength of 110 MPa, and a 31% improvement in fracture toughness over neat Elium
<jats:sup>®</jats:sup>
. These enhancements were attributed to uniform nanofiller dispersion and effective interfacial interaction that facilitates stress transfer and crack deflection. SEM fractography revealed a transition from smooth, brittle fracture surfaces in the neat matrix to rough, branched crack paths in the MXene-filled composites, indicating improved energy dissipation. Overall, MXene/Elium
<jats:sup>®</jats:sup>
nanocomposites showed superior strength, toughness, and thermal stability, highlighting their potential as lightweight and recyclable materials for structural applications in automotive, aerospace, and protective sectors.
</jats:p>
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