2020
DOI: 10.1016/j.ceramint.2020.04.100
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Synthesis of macroporous ceramic with enhanced sound absorption capability in low and medium frequency

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Cited by 11 publications
(12 citation statements)
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“…The raw porous ceramics with pore sizes from tens of nanometers to a few millimeters and apparent porosity in the range of 85–90% show an interconnected skeleton structure. 19 High porosity and connectivity are conducive to the incidence of sound waves, facilitating the transmission of sound waves. By vacuum impregnation and vulcanization, the GO/SBR composite and the raw porous ceramic were combined efficiently.…”
Section: Resultsmentioning
confidence: 99%
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“…The raw porous ceramics with pore sizes from tens of nanometers to a few millimeters and apparent porosity in the range of 85–90% show an interconnected skeleton structure. 19 High porosity and connectivity are conducive to the incidence of sound waves, facilitating the transmission of sound waves. By vacuum impregnation and vulcanization, the GO/SBR composite and the raw porous ceramic were combined efficiently.…”
Section: Resultsmentioning
confidence: 99%
“…Porous ceramics were used as matrices, and the detailed fabrication process was reported in our previous work. 19 The fabrication process of the porous composite materials is illustrated in Figure 1 . First, different contents of GO were dispersed in deionized water with ultrasonication for 12 h. Afterward, styrene-butadiene rubber latex (SBRL) and vulcanized aqueous suspension (sublimed sulfur, DM, stearic acid, and ZnO) were dispersed in deionized water successively under intense stirring for 4 h. Then, SRRL and vulcanized aqueous suspension were mixed sequentially with the GO suspension under mechanical stirring at 650 rpm for 48 h, intermittently accompanied by water bath sonication.…”
Section: Methodsmentioning
confidence: 99%
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“…The porous ceramics have an apparent porosity of 85%-90% and are mainly composed of silica and albitite, which was reported in a previous study. 40 GO was purchased from Ashine Advanced Carbon Material (Changzhou) Co., Ltd., and PVA (alcoholysis degree: 98.0-99.0 mol%; viscosity: 54.0-66.0 mPa s) was purchased from Aladdin. Hydrazine hydrate was purchased from Guangzhou Chemical Reagent Factory.…”
Section: Methodsmentioning
confidence: 99%
“…At present, using sound absorption materials in people's living space is of the main method to deal with noise pollution. Usually, porous material is the most commonly used to absorb noise (Duan et al, 2012;Cai et al, 2019;Otaru, 2020;Liu et al, 2015b;Yuan et al, 2010;Sun et al, 2016;Wu et al, 2014;He et al, 2020). The sound absorption properties of ceramic MMMS 17,6 1108 This work was supported in part by the Testing Foundation of BNU (grant no.…”
Section: Introductionmentioning
confidence: 99%