Preparation, mechanical and anti-friction performance of MXene/polymer composites

In this study, a Ti 3 C 2 nanomaterial and Ti 3 C 2 /UHMWPE (ultrahigh molecular weight polyethylene) nanocomposites were prepared. The morphology, structure and properties of the Ti 3 C 2 /UHMWPE nanocomposites were investigated. The results indicate that Ti 3 C 2 nanoparticle can improve the thermal and mechanical properties of UHMWPE . The crystallinity and hardness of the Ti 3 C 2 /UHMWPE nanocomposite increase with the content of Ti 3 C 2 . The tensile and breaking strengths of the nanocomposites are enhanced with increasing Ti 3 C 2 content and reach maximum values at a mass fraction of 0.75   wt.%. The creep performance is enhanced after the addition of Ti 3 C 2 to the matrix. The frictional properties of the Ti 3 C 2 /UHMWPE composites were investigated using a pin-on-disc tester. The Ti 3 C 2 /UHMWPE composites exhibited a better friction-reducing performance compared with pure UHMWPE . The addition of Ti 3 C 2 can reduce the adhesive wear and plow friction, which results in the worn surfaces of the Ti 3 C 2 /UHMWPE composite being smoother than those of pure UHMWPE.