Nathaphon Buddhacosa , Joel Galos , Raj Das , Akbar Khatibi , Everson Kandare
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The mode II response revealed a 75% increase in vibration damping ratio upon the integration of 23 vol% of rubber particles. The sound absorption coefficient, measured using an impedance tube, increased with the rubber content. Additionally, the coincidence frequency in SYN(5)-EF(23) was 40% higher than that of the baseline foam. This research expands our understanding of the interplay between the constituents, the vibration damping and acoustic properties of the rubberised foam. These findings offer a pathway to optimising vibration control and acoustic performance using upcycled waste tyre-derived products.</p></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":null,"pages":null},"PeriodicalIF":8.6000,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2214993724001933/pdfft?md5=49ef5f2dc412a1668061f4b12806a94c&pid=1-s2.0-S2214993724001933-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Vibration damping and acoustic properties of syntactic foam incorporating waste tyre-derived rubber particles\",\"authors\":\"Nathaphon Buddhacosa , Joel Galos , Raj Das , Akbar Khatibi , Everson Kandare\",\"doi\":\"10.1016/j.susmat.2024.e01013\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>This paper investigates the impact of incorporating non-functionalised, micro-sized rubber particles derived from end-of-life tyres on the vibration damping and acoustic properties of syntactic foam. To elucidate the effects of rubber particles on the vibration properties of rubberised syntactic foam, a laser Doppler vibrometer was used to evaluate the vibration damping response and natural resonance frequencies. Integrating rubber particles lowered the syntactic foam's natural resonance frequency due to reduced stiffness and increased density. In relation to vibration damping performance, the optimal rubber size was 250–425 μm. The vibration damping performance increased with rubber content due to the viscoelastic properties of the elastomeric fillers. The mode II response revealed a 75% increase in vibration damping ratio upon the integration of 23 vol% of rubber particles. The sound absorption coefficient, measured using an impedance tube, increased with the rubber content. Additionally, the coincidence frequency in SYN(5)-EF(23) was 40% higher than that of the baseline foam. This research expands our understanding of the interplay between the constituents, the vibration damping and acoustic properties of the rubberised foam. 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引用次数: 0
摘要
本文研究了从报废轮胎中提取的非功能化微小橡胶颗粒对合成泡沫的振动阻尼和声学特性的影响。为阐明橡胶颗粒对橡胶合成泡沫振动特性的影响,使用激光多普勒测振仪对振动阻尼响应和自然共振频率进行了评估。由于刚度降低和密度增加,橡胶颗粒的加入降低了合成泡沫的自然共振频率。就减振性能而言,最佳橡胶尺寸为 250-425 μm。由于弹性填料的粘弹性能,减振性能随橡胶含量的增加而提高。模态 II 响应显示,加入 23% 的橡胶颗粒后,振动阻尼比增加了 75%。使用阻抗管测量的吸音系数随着橡胶含量的增加而增加。此外,SYN(5)-EF(23) 的重合频率比基准泡沫高 40%。这项研究拓展了我们对橡胶泡沫的成分、减振和声学特性之间相互作用的理解。这些研究结果为利用废轮胎衍生产品优化振动控制和声学性能提供了一条途径。
Vibration damping and acoustic properties of syntactic foam incorporating waste tyre-derived rubber particles
This paper investigates the impact of incorporating non-functionalised, micro-sized rubber particles derived from end-of-life tyres on the vibration damping and acoustic properties of syntactic foam. To elucidate the effects of rubber particles on the vibration properties of rubberised syntactic foam, a laser Doppler vibrometer was used to evaluate the vibration damping response and natural resonance frequencies. Integrating rubber particles lowered the syntactic foam's natural resonance frequency due to reduced stiffness and increased density. In relation to vibration damping performance, the optimal rubber size was 250–425 μm. The vibration damping performance increased with rubber content due to the viscoelastic properties of the elastomeric fillers. The mode II response revealed a 75% increase in vibration damping ratio upon the integration of 23 vol% of rubber particles. The sound absorption coefficient, measured using an impedance tube, increased with the rubber content. Additionally, the coincidence frequency in SYN(5)-EF(23) was 40% higher than that of the baseline foam. This research expands our understanding of the interplay between the constituents, the vibration damping and acoustic properties of the rubberised foam. These findings offer a pathway to optimising vibration control and acoustic performance using upcycled waste tyre-derived products.
期刊介绍:
Sustainable Materials and Technologies (SM&T), an international, cross-disciplinary, fully open access journal published by Elsevier, focuses on original full-length research articles and reviews. It covers applied or fundamental science of nano-, micro-, meso-, and macro-scale aspects of materials and technologies for sustainable development. SM&T gives special attention to contributions that bridge the knowledge gap between materials and system designs.