Microwave Absorption Properties of Multi-Walled Carbon Nanotubes/Carbonyl Iron Particles/Polyurethane Foams
In order to improve the microwave absorption performance of absorbing materials, the composite foam absorbing materials with different multi-walled carbon nanotube (MWCNT) contents were prepared using polyurethane foam as the substrate and MWCNTs and flaked carbonyl iron powder as absorbers. The ele...
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| Veröffentlicht in: | Materials 2022-08, Vol.15 (16), p.5690 |
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| creator | Huang, Xuegong Yu, Danping Wang, Simin |
| description | In order to improve the microwave absorption performance of absorbing materials, the composite foam absorbing materials with different multi-walled carbon nanotube (MWCNT) contents were prepared using polyurethane foam as the substrate and MWCNTs and flaked carbonyl iron powder as absorbers. The electromagnetic properties of the materials were characterized and analyzed. Then, CST electromagnetic simulation software was used to simulate the electromagnetic shielding effect of absorbing materials on mechatronics products under a strong electromagnetic irradiation environment, and, finally, it was verified by irradiation experiment. The results show that the materials have good microwave absorption properties, in which the composites containing 1.5 wt.% MWCNTs exhibit good microwave absorption properties. The minimum reflectivity reaches −29 dB when the thickness is 3 mm and −15.6 dB when the thickness is 1.5 mm, with a bandwidth of 5.7 GHz for reflectivity less than −10 dB. The good microwave absorption performance of the material is due to the synergistic effect of MWCNTs particles and good impedance matching. The simulation and experimental results show that the mechatronics product with absorbing materials can protect against strong electromagnetic interference and ensure the normal operation of the mechatronics product circuits. |
| doi_str_mv | 10.3390/ma15165690 |
| format | Article |
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The electromagnetic properties of the materials were characterized and analyzed. Then, CST electromagnetic simulation software was used to simulate the electromagnetic shielding effect of absorbing materials on mechatronics products under a strong electromagnetic irradiation environment, and, finally, it was verified by irradiation experiment. The results show that the materials have good microwave absorption properties, in which the composites containing 1.5 wt.% MWCNTs exhibit good microwave absorption properties. The minimum reflectivity reaches −29 dB when the thickness is 3 mm and −15.6 dB when the thickness is 1.5 mm, with a bandwidth of 5.7 GHz for reflectivity less than −10 dB. The good microwave absorption performance of the material is due to the synergistic effect of MWCNTs particles and good impedance matching. The simulation and experimental results show that the mechatronics product with absorbing materials can protect against strong electromagnetic interference and ensure the normal operation of the mechatronics product circuits.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma15165690</identifier><identifier>PMID: 36013823</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Bandwidths ; Carbon ; Carbonyl powders ; Cobalt ; Composite materials ; Electromagnetic interference ; Electromagnetic properties ; Electromagnetic shielding ; Electromagnetism ; Graphene ; Impedance matching ; Iron ; Irradiation ; Mechatronics ; Microwave absorption ; Multi wall carbon nanotubes ; Nanocomposites ; Nanotubes ; Permeability ; Plastic foam ; Polymerization ; Polyurethane foam ; Protective coatings ; Reflectance ; Simulation ; Substrates ; Synergistic effect ; Thickness</subject><ispartof>Materials, 2022-08, Vol.15 (16), p.5690</ispartof><rights>COPYRIGHT 2022 MDPI AG</rights><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2022 by the authors. 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c422t-4c2ce10f4e936c10a5e842836d02ce43b2a2487d5202910ef9f6920259cc950c3</citedby><cites>FETCH-LOGICAL-c422t-4c2ce10f4e936c10a5e842836d02ce43b2a2487d5202910ef9f6920259cc950c3</cites><orcidid>0000-0003-1742-4224</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9416506/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9416506/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,27901,27902,53766,53768</link.rule.ids></links><search><creatorcontrib>Huang, Xuegong</creatorcontrib><creatorcontrib>Yu, Danping</creatorcontrib><creatorcontrib>Wang, Simin</creatorcontrib><title>Microwave Absorption Properties of Multi-Walled Carbon Nanotubes/Carbonyl Iron Particles/Polyurethane Foams</title><title>Materials</title><description>In order to improve the microwave absorption performance of absorbing materials, the composite foam absorbing materials with different multi-walled carbon nanotube (MWCNT) contents were prepared using polyurethane foam as the substrate and MWCNTs and flaked carbonyl iron powder as absorbers. The electromagnetic properties of the materials were characterized and analyzed. Then, CST electromagnetic simulation software was used to simulate the electromagnetic shielding effect of absorbing materials on mechatronics products under a strong electromagnetic irradiation environment, and, finally, it was verified by irradiation experiment. The results show that the materials have good microwave absorption properties, in which the composites containing 1.5 wt.% MWCNTs exhibit good microwave absorption properties. The minimum reflectivity reaches −29 dB when the thickness is 3 mm and −15.6 dB when the thickness is 1.5 mm, with a bandwidth of 5.7 GHz for reflectivity less than −10 dB. The good microwave absorption performance of the material is due to the synergistic effect of MWCNTs particles and good impedance matching. The simulation and experimental results show that the mechatronics product with absorbing materials can protect against strong electromagnetic interference and ensure the normal operation of the mechatronics product circuits.</description><subject>Bandwidths</subject><subject>Carbon</subject><subject>Carbonyl powders</subject><subject>Cobalt</subject><subject>Composite materials</subject><subject>Electromagnetic interference</subject><subject>Electromagnetic properties</subject><subject>Electromagnetic shielding</subject><subject>Electromagnetism</subject><subject>Graphene</subject><subject>Impedance matching</subject><subject>Iron</subject><subject>Irradiation</subject><subject>Mechatronics</subject><subject>Microwave absorption</subject><subject>Multi wall carbon nanotubes</subject><subject>Nanocomposites</subject><subject>Nanotubes</subject><subject>Permeability</subject><subject>Plastic foam</subject><subject>Polymerization</subject><subject>Polyurethane foam</subject><subject>Protective coatings</subject><subject>Reflectance</subject><subject>Simulation</subject><subject>Substrates</subject><subject>Synergistic effect</subject><subject>Thickness</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdUU1LJDEUDOKyyqyX_QUNXkRozXd3LsIw6Cqo62HFY0inX2s03RmTbpf592YY8Ss55FGvqpKXQug3wUeMKXzcGyKIFFLhLbRLlJIlUZxvf6p30F5KjzgvxkhN1U-0wyQmrKZsFz1dORvDf_MCxbxJIS5HF4biJoYlxNFBKkJXXE1-dOWd8R7aYmFikxnXZgjj1EA63gArX1zEtdJkmfUZvwl-NUUYH8wAxVkwffqFfnTGJ9h7O2fo9uz03-K8vPz752Ixvywtp3QsuaUWCO44KCYtwUZAzWnNZItzg7OGGsrrqhUUU0UwdKqTKtdCWasEtmyGTja-y6npobUwjNF4vYyuN3Glg3H6a2dwD_o-vGjF809imQ0O3gxieJ4gjbp3yYL3eZQwJU0rXNWsqpTI1P1v1McwxSGPt2ZJKghTNLOONqx740G7oQv5Xpt3C72zYYDOZXxecVExtQ5mhg43ghxOShG699cTrNe564_c2SvaTJ6p</recordid><startdate>20220818</startdate><enddate>20220818</enddate><creator>Huang, Xuegong</creator><creator>Yu, Danping</creator><creator>Wang, Simin</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</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>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-1742-4224</orcidid></search><sort><creationdate>20220818</creationdate><title>Microwave Absorption Properties of Multi-Walled Carbon Nanotubes/Carbonyl Iron Particles/Polyurethane Foams</title><author>Huang, Xuegong ; Yu, Danping ; Wang, Simin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c422t-4c2ce10f4e936c10a5e842836d02ce43b2a2487d5202910ef9f6920259cc950c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Bandwidths</topic><topic>Carbon</topic><topic>Carbonyl powders</topic><topic>Cobalt</topic><topic>Composite materials</topic><topic>Electromagnetic interference</topic><topic>Electromagnetic properties</topic><topic>Electromagnetic shielding</topic><topic>Electromagnetism</topic><topic>Graphene</topic><topic>Impedance matching</topic><topic>Iron</topic><topic>Irradiation</topic><topic>Mechatronics</topic><topic>Microwave absorption</topic><topic>Multi wall carbon nanotubes</topic><topic>Nanocomposites</topic><topic>Nanotubes</topic><topic>Permeability</topic><topic>Plastic foam</topic><topic>Polymerization</topic><topic>Polyurethane foam</topic><topic>Protective coatings</topic><topic>Reflectance</topic><topic>Simulation</topic><topic>Substrates</topic><topic>Synergistic effect</topic><topic>Thickness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Xuegong</creatorcontrib><creatorcontrib>Yu, Danping</creatorcontrib><creatorcontrib>Wang, Simin</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials 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 Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</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>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Xuegong</au><au>Yu, Danping</au><au>Wang, Simin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microwave Absorption Properties of Multi-Walled Carbon Nanotubes/Carbonyl Iron Particles/Polyurethane Foams</atitle><jtitle>Materials</jtitle><date>2022-08-18</date><risdate>2022</risdate><volume>15</volume><issue>16</issue><spage>5690</spage><pages>5690-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>In order to improve the microwave absorption performance of absorbing materials, the composite foam absorbing materials with different multi-walled carbon nanotube (MWCNT) contents were prepared using polyurethane foam as the substrate and MWCNTs and flaked carbonyl iron powder as absorbers. The electromagnetic properties of the materials were characterized and analyzed. Then, CST electromagnetic simulation software was used to simulate the electromagnetic shielding effect of absorbing materials on mechatronics products under a strong electromagnetic irradiation environment, and, finally, it was verified by irradiation experiment. The results show that the materials have good microwave absorption properties, in which the composites containing 1.5 wt.% MWCNTs exhibit good microwave absorption properties. The minimum reflectivity reaches −29 dB when the thickness is 3 mm and −15.6 dB when the thickness is 1.5 mm, with a bandwidth of 5.7 GHz for reflectivity less than −10 dB. The good microwave absorption performance of the material is due to the synergistic effect of MWCNTs particles and good impedance matching. 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| source | MDPI - Multidisciplinary Digital Publishing Institute; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Free Full-Text Journals in Chemistry; PubMed Central Open Access |
| subjects | Bandwidths Carbon Carbonyl powders Cobalt Composite materials Electromagnetic interference Electromagnetic properties Electromagnetic shielding Electromagnetism Graphene Impedance matching Iron Irradiation Mechatronics Microwave absorption Multi wall carbon nanotubes Nanocomposites Nanotubes Permeability Plastic foam Polymerization Polyurethane foam Protective coatings Reflectance Simulation Substrates Synergistic effect Thickness |
| title | Microwave Absorption Properties of Multi-Walled Carbon Nanotubes/Carbonyl Iron Particles/Polyurethane Foams |
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