An experimental study of 3D printing based viscoelastic bimaterial subjected to low-velocity impact

Chen, Shengwei; Tai, Bruce L.; Wang, Jyhwen

doi:10.1016/j.mechmat.2022.104508

Cited by 2 publications

(2 citation statements)

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“…Following convergence mesh research, model boundary constraints were used. The load is delivered progressively, as indicated in Figure (10), and supported boundary conditions are utilized.…”

Section: Finite Element Analysismentioning

confidence: 99%

“…Yun Gao et al [9] investigated the bending creep behavior of viscoelastic laminated arches with interlayers under a distributed load. Shengwei Chen et al [10] investigated the impact of a biomaterial composite consisting of a stiff 3D printed frame and a soft viscoelastic foam used for protection applications by employing experimental work. Xavior et al [11] conducted a more in-depth experimental study of the failure of split FG beams made of porous polymer materials utilizing flexural, tensile, and compressive experimental procedures.…”

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confidence: 99%

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Enhancement of Mechanical Behaviour of Functionally Graded Viscoelastic Materials Parts Reinforced by Hybrids Nanoparticles

Njim,

Hadi,

Alhilo

2023

IJOIR

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This paper studies the mechanical behavior of functionally graded material viscoelastic (FGVE) products employed in automotive, chemical industry, and biomedical appliances. Various experimental models describe and simulate nanobeams with viscoelastic layers subjected to tensile loading, 3-point bending, tear, and impact. All specimens were prepared using the 3D printing method. Tensile, hardness, tear, impact, and bending specimens reinforced with different volume fractions (1-5)% of Al2O3, TiO2, and a hybrid of the nanomaterials Al2O3 /TiO2 were arranged via a mixing process with an extruder and then fabricated by a 3D printing machine. The experimental results of maximum bending load, midspan deflection, impact, and tear resistance were validated by finite element methods (FEM) with the assistance of commercial software (Ansys Workbench 2021 R1). Furthermore, the influence of various parameters on the mechanical performance of reinforced samples has been thoroughly investigated, for example, volume fraction index, nanoparticles content, and FG properties. Based on the findings, the most successful results were obtained by adding 1.5 % Al2O3 and 3% TiO2 hybrid nanoparticles. The experimental and numerical results were in reasonable agreement. The discrepancy did not exceed 10.25% for maximum bending load and no difference over 5% for maximum impact load, indicating that the strengthened nanoparticle specimens were properly fabricated. Also, a significant improvement in mechanical and viscoelastic properties was achieved by incorporating hybrid nanoparticles. Flexural bending load increased by about 17 % with hybrid nanoparticles, while tear resistance increased by 27.5 % and impact resistance increased by 7.5%.

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Section: Finite Element Analysismentioning

confidence: 99%

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confidence: 99%