ArticleMaterials (Basel, Switzerland)2026
Low-Velocity Impact Performance of Triax Glass Fabric Reinforced Poly(methyl methacrylate) Composites.
Article in Materials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Impact resistance is vital for marine and protective structural composites. Conventional glass fiber/epoxy thermosets feature high specific strength but suffer poor recyclability. Herein, recyclable triaxial glass fiber-reinforced PMMA (Triax-GF/PMMA) laminates were manufactured, and quasi-static tensile, compressive and shear tests were conducted to obtain the fundamental mechanical constitutive parameters for the subsequent impact performance analysis. Low-velocity drop-weight impact (15-120 J) and compression-after-impact (CAI) experiments were carried out. Under a 50 J impact condition, the residual compressive strength of Triax-GF/PMMA reached 131.5 MPa, which was approximately 9.8% higher than that of the epoxy counterpart (119.8 MPa). Meanwhile, the peak impact load of Triax-GF/PMMA increased to 11.84 kN, compared with 9.98 kN for the epoxy system, indicating enhanced impact load-bearing capability. An ABAQUS/Explicit finite element model with Hashin failure criteria was validated by experimental results, with the relative errors of predicted peak loads maintained below 8%. Simulations at 30 J (non-penetration) and 120 J (penetration) showed milder deformation and slighter damage in Triax-GF/PMMA. A predictive model linking laminate thickness and perforation energy was further proposed. This work provides experimental and numerical support for the development of lightweight, recyclable, impact-resistant composites for potential marine applications.
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