Study of acoustic transmission losses in particle-reinforced rubber-based membrane-type acoustic metamaterials

Li, Junyu; Jiang, Renjie; Xü, Dong; Huang, Qibai

doi:10.1016/j.apacoust.2023.109379

Cited by 4 publications

(2 citation statements)

References 33 publications

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“…(f) Bionic design and test equipment, reproduced from [83]. (g) Particle-enhanced ethylene propylene diene monomer/ethylene tetrafluoroethylene and membrane-type acoustic metamaterials structure of particle reinforced polymer, reproduced from [84].…”

Section: More Complex Membrane-type Metamaterialsmentioning

confidence: 99%

“…Through finite element simulation and impedance tube experimental results, it was shown that the mass of the bionic model was reduced by 19%, and the bandwidth was expanded by 61% [83]. In terms of new materials, as shown in Figure 4g, Li et al studied the acoustic transmission loss in particle-reinforced rubber-based membrane-type acoustic metamaterials [84]. Based on the discrete point matching method, the acoustic transmission loss characteristics were predicted.…”

Section: More Complex Membrane-type Metamaterialsmentioning

confidence: 99%

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Research Progress on Thin-Walled Sound Insulation Metamaterial Structures

Zhang,

et al. 2024

Acoustics

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Acoustic metamaterials (AMs) composed of periodic artificial structures have extraordinary sound wave manipulation capabilities compared with traditional acoustic materials, and they have attracted widespread research attention. The sound insulation performance of thin-walled structures commonly used in engineering applications with restricted space, for example, vehicles’ body structures, and the latest studies on the sound insulation of thin-walled metamaterial structures, are comprehensively discussed in this paper. First, the definition and math law of sound insulation are introduced, alongside the primary methods of sound insulation testing of specimens. Secondly, the main sound insulation acoustic metamaterial structures are summarized and classified, including membrane-type, plate-type, and smart-material-type sound insulation metamaterials, boundaries, and temperature effects, as well as the sound insulation research on composite structures combined with metamaterial structures. Finally, the research status, challenges, and trends of sound insulation metamaterial structures are summarized. It was found that combining the advantages of metamaterial and various composite panel structures with optimization methods considering lightweight and proper wide frequency band single evaluator has the potential to improve the sound insulation performance of composite metamaterials in the full frequency range. Relative review results provide a comprehensive reference for the sound insulation metamaterial design and application.

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Section: More Complex Membrane-type Metamaterialsmentioning

confidence: 99%

Section: More Complex Membrane-type Metamaterialsmentioning

confidence: 99%

Research Progress on Thin-Walled Sound Insulation Metamaterial Structures

Zhang,

et al. 2024

Acoustics

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Ground tire rubber and coffee silverskin as sustainable fillers in EPDM compounds for rubber‐to‐steel bonded systems in roofing applications

Bragaglia,

Paleari,

Nanni

2024

Polymer Composites

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In this paper two waste fillers, namely ground tire rubber (GTR) and coffee silverskin (CSS, a waste bio‐product from the coffee‐making process), have been used to produce sustainable ethylene‐propylene‐diene monomer (EPDM) rubber compounds vulcanized on steel sheets to fabricate rubber‐to‐steel bonded systems for industrial roofing applications. The compounds have shown good mechanical performances, with elastic moduli in the range of 13–16 MPa, tensile strength of 13–20 MPa and elongation at break >400%, and strong adhesion to the metal substrate. Moreover, the rubber‐to‐steel bonded systems present good sound insulation properties (mean sound transmission loss [STL] of 39 dB and noise level reduction in simulated hailstones impact tests of 62 dB with respect to bare steel 73 dB). Accelerated UV‐ and thermal‐aging tests have shown excellent adhesion of the compounds to the metal substrate with the CSS acting as an antioxidant agent preventing excessive polymer degradation. The selected waste‐derived materials result in promising fillers for more sustainable rubber compounds.Highlights Waste fillers were used to produce sustainable rubber compounds. Rubber‐to‐steel bonded systems for roofing applications were produced. Rubber‐to‐steel bonded systems have good sound insulation properties. Rubber‐to‐steel bonded systems have excellent adhesion. Coffee silverskin filler acts as an antioxidant agent.

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Study on Sound Insulation Performance of Membrane-Type Acoustic Metamaterials with Pendulum Arm

Wang,

Xiong,

et al. 2024

Communications in Computer and Information Science

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Study of acoustic transmission losses in particle-reinforced rubber-based membrane-type acoustic metamaterials

Cited by 4 publications

References 33 publications

Research Progress on Thin-Walled Sound Insulation Metamaterial Structures

Research Progress on Thin-Walled Sound Insulation Metamaterial Structures

Ground tire rubber and coffee silverskin as sustainable fillers in EPDM compounds for rubber‐to‐steel bonded systems in roofing applications

Study on Sound Insulation Performance of Membrane-Type Acoustic Metamaterials with Pendulum Arm

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