MXene-reinforced Elium ® composites: A comprehensive study on tensile and flexural strengths, fracture toughness, thermal properties and damage mechanisms

IF 3 2区工程技术 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Damage Mechanics Pub Date : 2026-06-29 DOI:10.1177/10567895261465215

Bayram Ünal, Yasin Uslugil, Hasan Ulus, Mürsel Ekrem, Hayrettin Düzcükoğlu

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引用次数: 0

Abstract

This study reports the synthesis of multilayer Ti 3 C 2 T x MXene through selective etching of Ti 3 AlC 2 and its incorporation into Elium ® 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 ® . 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 ® 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.

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mxene增强Elium®复合材料：拉伸和弯曲强度，断裂韧性，热性能和损伤机制的综合研究

本研究报告了通过选择性蚀刻Ti 3alc2并将其掺入Elium®热塑性树脂中，以0.25-1.0 wt.%的负载合成多层Ti 3c2txmxene。所得到的纳米复合材料通过扫描电子显微镜（SEM）、x射线衍射、热重分析/差示扫描量热法和力学测试进行了表征，包括拉伸（ASTM D638）、弯曲（ASTM D790）和断裂韧性（ASTM D5045）分析。0.75 wt.%的MXene复合材料表现出最平衡的性能，抗拉强度为69.45 MPa，弯曲强度为110 MPa，断裂韧性比纯Elium®提高31%。这些增强归功于均匀的纳米填料分散和有效的界面相互作用，促进了应力传递和裂纹挠曲。SEM断口形貌显示，在mxene填充的复合材料中，从光滑、脆性的断裂表面转变为粗糙、分支的裂纹路径，表明能量耗散得到改善。总体而言，MXene/Elium®纳米复合材料表现出卓越的强度、韧性和热稳定性，突出了其作为轻量化和可回收材料在汽车、航空航天和防护领域结构应用的潜力。

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来源期刊

International Journal of Damage Mechanics 工程技术-材料科学：综合

CiteScore

8.70

自引率

26.20%

发文量

审稿时长

5.4 months

期刊介绍： Featuring original, peer-reviewed papers by leading specialists from around the world, the International Journal of Damage Mechanics covers new developments in the science and engineering of fracture and damage mechanics. Devoted to the prompt publication of original papers reporting the results of experimental or theoretical work on any aspect of research in the mechanics of fracture and damage assessment, the journal provides an effective mechanism to disseminate information not only within the research community but also between the reseach laboratory and industrial design department. The journal also promotes and contributes to development of the concept of damage mechanics. This journal is a member of the Committee on Publication Ethics (COPE).