Rheological investigations on frequency selective surface carbon composite microwave absorber
A high-performance stealth platform is one of the crucial requirements in defence technology that could practically be realized by building effective microwave frequency selective surface (FSS) absorbers. Herein, we report the design and manufacturing of an absorber by tuning the rheology of cell ar...
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| Veröffentlicht in: | Materials horizons 2025-01, Vol.12 (1), p.205-216 |
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| creator | Priyanka Alegaonkar, Prashant S Baskey, Himangshu B |
| description | A high-performance stealth platform is one of the crucial requirements in defence technology that could practically be realized by building effective microwave frequency selective surface (FSS) absorbers. Herein, we report the design and manufacturing of an absorber by tuning the rheology of cell architecture. Initially, a fan-shaped cell (10.4 mm
) was designed for its surface and bulk rheology. The FSS overlayer composition was investigated using SEM, EDX, and XRD and tuned for 0.25% carbon: 1.5% silver to achieve the ink resistivity ∼255 Ω □
. The bulk rheology was optimized for air (Roha) spacer (thickness ∼2.8 mm), interlayer dielectrics (0.2 mm each), carbon composition (5%), and cell dimension (10.2 mm). Analyses are presented for absorption loss (
, dB), bandwidth (GHz), resonance dispersion, and constitutive (
,
) parameters, compounded with an equivalent circuit model with the settings
= 273.55 Ω,
= 2.25 nH,
= 0.057 pF and the Fabry-Perot reactance mode@10 GHz. The bi-modal response was investigated for induced polarization, electromagnetic fields, volume power distribution, and angular (
= 0°-50°) and rotational stability (
= 0°-90°) against TE/TM incidences. The FSS pattern was implemented using a screen printing technique to fabricate a prototype absorber and subjected to the free space measurements in an anechoic chamber. The prototype behaviour was found to be commensurate with the simulated performance, thereby achieving a figure of merit of
∼-25 dB@10 GHz, accessible bandwidth 4 GHz (in X band) by using the thickness of 0.057
. Details are presented in this study. |
| doi_str_mv | 10.1039/d4mh00993b |
| format | Article |
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) was designed for its surface and bulk rheology. The FSS overlayer composition was investigated using SEM, EDX, and XRD and tuned for 0.25% carbon: 1.5% silver to achieve the ink resistivity ∼255 Ω □
. The bulk rheology was optimized for air (Roha) spacer (thickness ∼2.8 mm), interlayer dielectrics (0.2 mm each), carbon composition (5%), and cell dimension (10.2 mm). Analyses are presented for absorption loss (
, dB), bandwidth (GHz), resonance dispersion, and constitutive (
,
) parameters, compounded with an equivalent circuit model with the settings
= 273.55 Ω,
= 2.25 nH,
= 0.057 pF and the Fabry-Perot reactance mode@10 GHz. The bi-modal response was investigated for induced polarization, electromagnetic fields, volume power distribution, and angular (
= 0°-50°) and rotational stability (
= 0°-90°) against TE/TM incidences. The FSS pattern was implemented using a screen printing technique to fabricate a prototype absorber and subjected to the free space measurements in an anechoic chamber. The prototype behaviour was found to be commensurate with the simulated performance, thereby achieving a figure of merit of
∼-25 dB@10 GHz, accessible bandwidth 4 GHz (in X band) by using the thickness of 0.057
. Details are presented in this study.</description><identifier>ISSN: 2051-6347</identifier><identifier>ISSN: 2051-6355</identifier><identifier>EISSN: 2051-6355</identifier><identifier>DOI: 10.1039/d4mh00993b</identifier><identifier>PMID: 39439247</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Anechoic chambers ; Bandwidths ; Carbon ; Composition ; Electromagnetic fields ; Equivalent circuits ; Figure of merit ; Frequency selective surfaces ; Induced polarization ; Interlayers ; Investigations ; Microwave absorbers ; Microwave frequencies ; Military technology ; Modal response ; Prototypes ; Reactance ; Rheological properties ; Rheology ; Screen printing ; Stealth technology ; Superhigh frequencies ; Thickness</subject><ispartof>Materials horizons, 2025-01, Vol.12 (1), p.205-216</ispartof><rights>Copyright Royal Society of Chemistry 2025</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c204t-7c37066bc501a583a0a892a474b627eea953b35a5a373e8648079a08d5fa55943</cites><orcidid>0000-0002-4670-1684</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39439247$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Priyanka</creatorcontrib><creatorcontrib>Alegaonkar, Prashant S</creatorcontrib><creatorcontrib>Baskey, Himangshu B</creatorcontrib><title>Rheological investigations on frequency selective surface carbon composite microwave absorber</title><title>Materials horizons</title><addtitle>Mater Horiz</addtitle><description>A high-performance stealth platform is one of the crucial requirements in defence technology that could practically be realized by building effective microwave frequency selective surface (FSS) absorbers. Herein, we report the design and manufacturing of an absorber by tuning the rheology of cell architecture. Initially, a fan-shaped cell (10.4 mm
) was designed for its surface and bulk rheology. The FSS overlayer composition was investigated using SEM, EDX, and XRD and tuned for 0.25% carbon: 1.5% silver to achieve the ink resistivity ∼255 Ω □
. The bulk rheology was optimized for air (Roha) spacer (thickness ∼2.8 mm), interlayer dielectrics (0.2 mm each), carbon composition (5%), and cell dimension (10.2 mm). Analyses are presented for absorption loss (
, dB), bandwidth (GHz), resonance dispersion, and constitutive (
,
) parameters, compounded with an equivalent circuit model with the settings
= 273.55 Ω,
= 2.25 nH,
= 0.057 pF and the Fabry-Perot reactance mode@10 GHz. The bi-modal response was investigated for induced polarization, electromagnetic fields, volume power distribution, and angular (
= 0°-50°) and rotational stability (
= 0°-90°) against TE/TM incidences. The FSS pattern was implemented using a screen printing technique to fabricate a prototype absorber and subjected to the free space measurements in an anechoic chamber. The prototype behaviour was found to be commensurate with the simulated performance, thereby achieving a figure of merit of
∼-25 dB@10 GHz, accessible bandwidth 4 GHz (in X band) by using the thickness of 0.057
. Details are presented in this study.</description><subject>Anechoic chambers</subject><subject>Bandwidths</subject><subject>Carbon</subject><subject>Composition</subject><subject>Electromagnetic fields</subject><subject>Equivalent circuits</subject><subject>Figure of merit</subject><subject>Frequency selective surfaces</subject><subject>Induced polarization</subject><subject>Interlayers</subject><subject>Investigations</subject><subject>Microwave absorbers</subject><subject>Microwave frequencies</subject><subject>Military technology</subject><subject>Modal response</subject><subject>Prototypes</subject><subject>Reactance</subject><subject>Rheological properties</subject><subject>Rheology</subject><subject>Screen printing</subject><subject>Stealth technology</subject><subject>Superhigh frequencies</subject><subject>Thickness</subject><issn>2051-6347</issn><issn>2051-6355</issn><issn>2051-6355</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2025</creationdate><recordtype>article</recordtype><recordid>eNpd0E1LxDAQBuAgisrqxR8gBS8irE6apGmOfisoguhRyjQ71UjbrEm7sv_e-HnwNHN4eJl5GdvhcMhBmKOZ7F4AjBH1CtvMQfFpIZRa_dul3mDbMb4CABdSQQnrbEMYKUwu9SZ7un8h3_pnZ7HNXL-gOLhnHJzvY-b7rAn0NlJvl1mkluzgFpTFMTRoKbMY6kSs7-Y-uoGyztng3zERrKMPNYUtttZgG2n7Z07Y48X5w-nV9Obu8vr0-GZqc5DDVFuhoShqq4CjKgUCliZHqWVd5JoIjRK1UKhQaEFlIUvQBqGcqQaVSr9M2P537jz4dG8cqs5FS22LPfkxVoJzo3NZppombO8fffVj6NN1SSkOHJJL6uBbpY9iDNRU8-A6DMuKQ_XZe3Umb6--ej9JePcncqw7mv3R35bFB2I9fT4</recordid><startdate>20250102</startdate><enddate>20250102</enddate><creator>Priyanka</creator><creator>Alegaonkar, Prashant S</creator><creator>Baskey, Himangshu B</creator><general>Royal Society of Chemistry</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-4670-1684</orcidid></search><sort><creationdate>20250102</creationdate><title>Rheological investigations on frequency selective surface carbon composite microwave absorber</title><author>Priyanka ; Alegaonkar, Prashant S ; Baskey, Himangshu B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c204t-7c37066bc501a583a0a892a474b627eea953b35a5a373e8648079a08d5fa55943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2025</creationdate><topic>Anechoic chambers</topic><topic>Bandwidths</topic><topic>Carbon</topic><topic>Composition</topic><topic>Electromagnetic fields</topic><topic>Equivalent circuits</topic><topic>Figure of merit</topic><topic>Frequency selective surfaces</topic><topic>Induced polarization</topic><topic>Interlayers</topic><topic>Investigations</topic><topic>Microwave absorbers</topic><topic>Microwave frequencies</topic><topic>Military technology</topic><topic>Modal response</topic><topic>Prototypes</topic><topic>Reactance</topic><topic>Rheological properties</topic><topic>Rheology</topic><topic>Screen printing</topic><topic>Stealth technology</topic><topic>Superhigh frequencies</topic><topic>Thickness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Priyanka</creatorcontrib><creatorcontrib>Alegaonkar, Prashant S</creatorcontrib><creatorcontrib>Baskey, Himangshu B</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Materials horizons</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Priyanka</au><au>Alegaonkar, Prashant S</au><au>Baskey, Himangshu B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rheological investigations on frequency selective surface carbon composite microwave absorber</atitle><jtitle>Materials horizons</jtitle><addtitle>Mater Horiz</addtitle><date>2025-01-02</date><risdate>2025</risdate><volume>12</volume><issue>1</issue><spage>205</spage><epage>216</epage><pages>205-216</pages><issn>2051-6347</issn><issn>2051-6355</issn><eissn>2051-6355</eissn><abstract>A high-performance stealth platform is one of the crucial requirements in defence technology that could practically be realized by building effective microwave frequency selective surface (FSS) absorbers. Herein, we report the design and manufacturing of an absorber by tuning the rheology of cell architecture. Initially, a fan-shaped cell (10.4 mm
) was designed for its surface and bulk rheology. The FSS overlayer composition was investigated using SEM, EDX, and XRD and tuned for 0.25% carbon: 1.5% silver to achieve the ink resistivity ∼255 Ω □
. The bulk rheology was optimized for air (Roha) spacer (thickness ∼2.8 mm), interlayer dielectrics (0.2 mm each), carbon composition (5%), and cell dimension (10.2 mm). Analyses are presented for absorption loss (
, dB), bandwidth (GHz), resonance dispersion, and constitutive (
,
) parameters, compounded with an equivalent circuit model with the settings
= 273.55 Ω,
= 2.25 nH,
= 0.057 pF and the Fabry-Perot reactance mode@10 GHz. The bi-modal response was investigated for induced polarization, electromagnetic fields, volume power distribution, and angular (
= 0°-50°) and rotational stability (
= 0°-90°) against TE/TM incidences. The FSS pattern was implemented using a screen printing technique to fabricate a prototype absorber and subjected to the free space measurements in an anechoic chamber. The prototype behaviour was found to be commensurate with the simulated performance, thereby achieving a figure of merit of
∼-25 dB@10 GHz, accessible bandwidth 4 GHz (in X band) by using the thickness of 0.057
. Details are presented in this study.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>39439247</pmid><doi>10.1039/d4mh00993b</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-4670-1684</orcidid></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Anechoic chambers Bandwidths Carbon Composition Electromagnetic fields Equivalent circuits Figure of merit Frequency selective surfaces Induced polarization Interlayers Investigations Microwave absorbers Microwave frequencies Military technology Modal response Prototypes Reactance Rheological properties Rheology Screen printing Stealth technology Superhigh frequencies Thickness |
| title | Rheological investigations on frequency selective surface carbon composite microwave absorber |
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