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Microstructure and microwave absorbing properties of reduced graphene oxide/Ni/multi-walled carbon nanotubes/Fe3O4 filled monolayer cement–based absorber
In this article, reduced graphene oxide/Ni/multi-walled carbon nanotubes/Fe3O4 filled paste is synthesized with the aim of developing a novel shielding material. To do so, nano-dispersion presenting homogeneous distribution is made by ultrasonic dispersing technology. Next, the effects of nano-absor...
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Published in: | Advances in mechanical engineering 2019-01, Vol.11 (1) |
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creator | Sun, Yafei Chen, Min Gao, Peiwei Zhou, Tianshu Liu, Hongwei Xun, Yong |
description | In this article, reduced graphene oxide/Ni/multi-walled carbon nanotubes/Fe3O4 filled paste is synthesized with the aim of developing a novel shielding material. To do so, nano-dispersion presenting homogeneous distribution is made by ultrasonic dispersing technology. Next, the effects of nano-absorbent content on the fluidity, mechanical strength, pore structure, resistivity, and absorbing reflectivity of paste are studied. At the end, the microstructure of composite is uncovered by scanning electron microscopy, Fourier transformer infrared, X-ray diffraction images as well as the pore size distribution and absorbing reflectivity are revealed. The results indicate that a small load of reduced graphene oxide and other nano-absorbents can significantly reduce the fluidity and resistivity of paste, but its pore structure is improved so that its mechanical properties are increased. Scanning electron microscopy images indicate that reduced graphene oxide promotes the increasing and thickening of the cement hydration products as well as the growth of a large number of flower-like and compact bulk crystals. Furthermore, the minimum reflectivity of −10.6 dB is obtained in the range of 2–18 GHz while the effective bandwidth of 16 GHz is obtained when reflectivity is less than −5 dB. This research provides a new pathway for the preparation of monolayer cement–based absorber. |
doi_str_mv | 10.1177/1687814018822886 |
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To do so, nano-dispersion presenting homogeneous distribution is made by ultrasonic dispersing technology. Next, the effects of nano-absorbent content on the fluidity, mechanical strength, pore structure, resistivity, and absorbing reflectivity of paste are studied. At the end, the microstructure of composite is uncovered by scanning electron microscopy, Fourier transformer infrared, X-ray diffraction images as well as the pore size distribution and absorbing reflectivity are revealed. The results indicate that a small load of reduced graphene oxide and other nano-absorbents can significantly reduce the fluidity and resistivity of paste, but its pore structure is improved so that its mechanical properties are increased. Scanning electron microscopy images indicate that reduced graphene oxide promotes the increasing and thickening of the cement hydration products as well as the growth of a large number of flower-like and compact bulk crystals. Furthermore, the minimum reflectivity of −10.6 dB is obtained in the range of 2–18 GHz while the effective bandwidth of 16 GHz is obtained when reflectivity is less than −5 dB. This research provides a new pathway for the preparation of monolayer cement–based absorber.</description><identifier>ISSN: 1687-8132</identifier><identifier>EISSN: 1687-8140</identifier><identifier>DOI: 10.1177/1687814018822886</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Absorbers ; Cement hydration ; Dispersion ; Electrical resistivity ; Graphene ; Infrared imagery ; Iron oxides ; Mechanical properties ; Microstructure ; Microwave absorption ; Monolayers ; Multi wall carbon nanotubes ; Pore size distribution ; Porosity ; Reflectance ; Scanning electron microscopy ; Shielding ; Thickening ; Viscosity</subject><ispartof>Advances in mechanical engineering, 2019-01, Vol.11 (1)</ispartof><rights>The Author(s) 2019</rights><rights>The Author(s) 2019. This work is licensed under the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0003-2369-7544</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2314599157/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2314599157?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,21966,25753,27853,27924,27925,37012,44590,44945,45333,75126</link.rule.ids></links><search><creatorcontrib>Sun, Yafei</creatorcontrib><creatorcontrib>Chen, Min</creatorcontrib><creatorcontrib>Gao, Peiwei</creatorcontrib><creatorcontrib>Zhou, Tianshu</creatorcontrib><creatorcontrib>Liu, Hongwei</creatorcontrib><creatorcontrib>Xun, Yong</creatorcontrib><title>Microstructure and microwave absorbing properties of reduced graphene oxide/Ni/multi-walled carbon nanotubes/Fe3O4 filled monolayer cement–based absorber</title><title>Advances in mechanical engineering</title><description>In this article, reduced graphene oxide/Ni/multi-walled carbon nanotubes/Fe3O4 filled paste is synthesized with the aim of developing a novel shielding material. To do so, nano-dispersion presenting homogeneous distribution is made by ultrasonic dispersing technology. Next, the effects of nano-absorbent content on the fluidity, mechanical strength, pore structure, resistivity, and absorbing reflectivity of paste are studied. At the end, the microstructure of composite is uncovered by scanning electron microscopy, Fourier transformer infrared, X-ray diffraction images as well as the pore size distribution and absorbing reflectivity are revealed. The results indicate that a small load of reduced graphene oxide and other nano-absorbents can significantly reduce the fluidity and resistivity of paste, but its pore structure is improved so that its mechanical properties are increased. Scanning electron microscopy images indicate that reduced graphene oxide promotes the increasing and thickening of the cement hydration products as well as the growth of a large number of flower-like and compact bulk crystals. Furthermore, the minimum reflectivity of −10.6 dB is obtained in the range of 2–18 GHz while the effective bandwidth of 16 GHz is obtained when reflectivity is less than −5 dB. This research provides a new pathway for the preparation of monolayer cement–based absorber.</description><subject>Absorbers</subject><subject>Cement hydration</subject><subject>Dispersion</subject><subject>Electrical resistivity</subject><subject>Graphene</subject><subject>Infrared imagery</subject><subject>Iron oxides</subject><subject>Mechanical properties</subject><subject>Microstructure</subject><subject>Microwave absorption</subject><subject>Monolayers</subject><subject>Multi wall carbon nanotubes</subject><subject>Pore size distribution</subject><subject>Porosity</subject><subject>Reflectance</subject><subject>Scanning electron microscopy</subject><subject>Shielding</subject><subject>Thickening</subject><subject>Viscosity</subject><issn>1687-8132</issn><issn>1687-8140</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>AFRWT</sourceid><sourceid>PIMPY</sourceid><recordid>eNpdUctKxDAULaLgMM7eZcB1bR5tmi5lcFQYdaPrkjS3Y6VNapI6uvMfXPp3fomtIwqu7j0P7uFyouiY4FNC8jwhXOSCpJgIQakQfC-aTVQ8cfu_O6OH0cL7RuEMc4x5Ucyij-umctYHN1RhcICk0aibqK18HpHy1qnGbFDvbA8uNOCRrZEDPVSg0cbJ_gEMIPvSaEhumqQb2tDEW9m2o1xJp6xBRhobBgU-WQG7TVHdfKudNbaVr-BQBR2Y8Pn2rqQfhV0quKPooJath8XPnEf3q_O75WW8vr24Wp6t455yFmJe52kta0wyzoFiJigThdYME9BFWhR5pbhiKWFaj0AQwhihFEOuK5yCBDaPTnZ3xyefBvChfLSDM2NkSRlJs6IgWT664p3Lyw38OQgupwrK_xWwL1DxfC4</recordid><startdate>20190101</startdate><enddate>20190101</enddate><creator>Sun, Yafei</creator><creator>Chen, Min</creator><creator>Gao, Peiwei</creator><creator>Zhou, Tianshu</creator><creator>Liu, Hongwei</creator><creator>Xun, Yong</creator><general>SAGE Publications</general><general>Sage Publications Ltd</general><scope>AFRWT</scope><scope>7TB</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>L7M</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><orcidid>https://orcid.org/0000-0003-2369-7544</orcidid></search><sort><creationdate>20190101</creationdate><title>Microstructure and microwave absorbing properties of reduced graphene oxide/Ni/multi-walled carbon nanotubes/Fe3O4 filled monolayer cement–based absorber</title><author>Sun, Yafei ; Chen, Min ; Gao, Peiwei ; Zhou, Tianshu ; Liu, Hongwei ; Xun, Yong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p263t-6f74faf01566e20382389dd301ed94997cb6b3413dd997811331220e7dc04eae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Absorbers</topic><topic>Cement hydration</topic><topic>Dispersion</topic><topic>Electrical resistivity</topic><topic>Graphene</topic><topic>Infrared imagery</topic><topic>Iron oxides</topic><topic>Mechanical properties</topic><topic>Microstructure</topic><topic>Microwave absorption</topic><topic>Monolayers</topic><topic>Multi wall carbon nanotubes</topic><topic>Pore size distribution</topic><topic>Porosity</topic><topic>Reflectance</topic><topic>Scanning electron microscopy</topic><topic>Shielding</topic><topic>Thickening</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sun, Yafei</creatorcontrib><creatorcontrib>Chen, Min</creatorcontrib><creatorcontrib>Gao, Peiwei</creatorcontrib><creatorcontrib>Zhou, Tianshu</creatorcontrib><creatorcontrib>Liu, Hongwei</creatorcontrib><creatorcontrib>Xun, Yong</creatorcontrib><collection>Sage Journals GOLD Open Access 2024</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>SciTech Premium Collection (Proquest) (PQ_SDU_P3)</collection><collection>ProQuest Engineering Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database (Proquest) (PQ_SDU_P3)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering collection</collection><jtitle>Advances in mechanical engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sun, Yafei</au><au>Chen, Min</au><au>Gao, Peiwei</au><au>Zhou, Tianshu</au><au>Liu, Hongwei</au><au>Xun, Yong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure and microwave absorbing properties of reduced graphene oxide/Ni/multi-walled carbon nanotubes/Fe3O4 filled monolayer cement–based absorber</atitle><jtitle>Advances in mechanical engineering</jtitle><date>2019-01-01</date><risdate>2019</risdate><volume>11</volume><issue>1</issue><issn>1687-8132</issn><eissn>1687-8140</eissn><abstract>In this article, reduced graphene oxide/Ni/multi-walled carbon nanotubes/Fe3O4 filled paste is synthesized with the aim of developing a novel shielding material. To do so, nano-dispersion presenting homogeneous distribution is made by ultrasonic dispersing technology. Next, the effects of nano-absorbent content on the fluidity, mechanical strength, pore structure, resistivity, and absorbing reflectivity of paste are studied. At the end, the microstructure of composite is uncovered by scanning electron microscopy, Fourier transformer infrared, X-ray diffraction images as well as the pore size distribution and absorbing reflectivity are revealed. The results indicate that a small load of reduced graphene oxide and other nano-absorbents can significantly reduce the fluidity and resistivity of paste, but its pore structure is improved so that its mechanical properties are increased. Scanning electron microscopy images indicate that reduced graphene oxide promotes the increasing and thickening of the cement hydration products as well as the growth of a large number of flower-like and compact bulk crystals. Furthermore, the minimum reflectivity of −10.6 dB is obtained in the range of 2–18 GHz while the effective bandwidth of 16 GHz is obtained when reflectivity is less than −5 dB. This research provides a new pathway for the preparation of monolayer cement–based absorber.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><doi>10.1177/1687814018822886</doi><orcidid>https://orcid.org/0000-0003-2369-7544</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Absorbers Cement hydration Dispersion Electrical resistivity Graphene Infrared imagery Iron oxides Mechanical properties Microstructure Microwave absorption Monolayers Multi wall carbon nanotubes Pore size distribution Porosity Reflectance Scanning electron microscopy Shielding Thickening Viscosity |
title | Microstructure and microwave absorbing properties of reduced graphene oxide/Ni/multi-walled carbon nanotubes/Fe3O4 filled monolayer cement–based absorber |
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