Electrochemical immittance spectroscopy applied to a hybrid PVA/steel fiber engineered cementitious composite
Alternating current (a.c.) electrical property measurements are presented on an Engineered Cementitious Composite (ECC) reinforced with a hybrid mix of polyvinyl alcohol fibers (fixed dosage) and straight steel fibers of varying dosages (0.15–1.0% by volume), with the aim at elucidating the influenc...
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| Veröffentlicht in: | Materials & design 2016-09, Vol.105, p.179-189 |
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| creator | Suryanto, B. McCarter, W.J. Starrs, G. Ludford-Jones, G.V. |
| description | Alternating current (a.c.) electrical property measurements are presented on an Engineered Cementitious Composite (ECC) reinforced with a hybrid mix of polyvinyl alcohol fibers (fixed dosage) and straight steel fibers of varying dosages (0.15–1.0% by volume), with the aim at elucidating the influence of conductive inclusions on the nature of conduction and polarization processes within the composite. Measurements were undertaken over the frequency range 1Hz–10MHz at 7, 14 and 28days after casting and the data presented in a range of formalisms to aid interpretation. When plotted in the frequency domain, the work shows that steel fibers enhance the polarizability of the material, particularly within the frequency range ~10Hz–10kHz. When presented in Nyquist format, this feature manifests itself as an intermediate arc forming between a high frequency arc (>10kHz) and a low frequency arc ( |
| doi_str_mv | 10.1016/j.matdes.2016.05.037 |
| format | Article |
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[Display omitted]
•AC electrical properties of a hybrid PVA/steel fiber ECC presented for the first time•A dual bulk-arc response observed in the Nyquist format•A dielectric enhancement observed in the frequency-domain response•Charges at the steel fiber–ECC matrix interface give rise to the polarizability of the composite system.•The bulk electrical conductivity conforms to the equivalent inclusion theory.</description><identifier>ISSN: 0264-1275</identifier><identifier>EISSN: 1873-4197</identifier><identifier>DOI: 10.1016/j.matdes.2016.05.037</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Cement composite ; Curing ; Dosage ; Effective medium theory ; Electrical properties ; Electrically conductive ; Frequency ranges ; Immittance spectroscopy ; Inclusions ; Multifunctional material ; Polarization ; Polyvinyl alcohols ; Steel fibers</subject><ispartof>Materials & design, 2016-09, Vol.105, p.179-189</ispartof><rights>2016 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c339t-cd6fb2231ac6f0391aeff4a347a88f8c767d0df8cf561316f071a114d4d131053</citedby><cites>FETCH-LOGICAL-c339t-cd6fb2231ac6f0391aeff4a347a88f8c767d0df8cf561316f071a114d4d131053</cites><orcidid>0000-0002-3979-9994</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids></links><search><creatorcontrib>Suryanto, B.</creatorcontrib><creatorcontrib>McCarter, W.J.</creatorcontrib><creatorcontrib>Starrs, G.</creatorcontrib><creatorcontrib>Ludford-Jones, G.V.</creatorcontrib><title>Electrochemical immittance spectroscopy applied to a hybrid PVA/steel fiber engineered cementitious composite</title><title>Materials & design</title><description>Alternating current (a.c.) electrical property measurements are presented on an Engineered Cementitious Composite (ECC) reinforced with a hybrid mix of polyvinyl alcohol fibers (fixed dosage) and straight steel fibers of varying dosages (0.15–1.0% by volume), with the aim at elucidating the influence of conductive inclusions on the nature of conduction and polarization processes within the composite. Measurements were undertaken over the frequency range 1Hz–10MHz at 7, 14 and 28days after casting and the data presented in a range of formalisms to aid interpretation. When plotted in the frequency domain, the work shows that steel fibers enhance the polarizability of the material, particularly within the frequency range ~10Hz–10kHz. When presented in Nyquist format, this feature manifests itself as an intermediate arc forming between a high frequency arc (>10kHz) and a low frequency arc (<10Hz), the latter resulting from polarization processes at the sample/electrode interface. The prominence of the intermediate arc was found to be dependent upon steel fiber dosage and curing time. It is shown that the bulk electrical conductivity conforms to the equivalent inclusion theory which is a variant on the effective medium theory.
[Display omitted]
•AC electrical properties of a hybrid PVA/steel fiber ECC presented for the first time•A dual bulk-arc response observed in the Nyquist format•A dielectric enhancement observed in the frequency-domain response•Charges at the steel fiber–ECC matrix interface give rise to the polarizability of the composite system.•The bulk electrical conductivity conforms to the equivalent inclusion theory.</description><subject>Cement composite</subject><subject>Curing</subject><subject>Dosage</subject><subject>Effective medium theory</subject><subject>Electrical properties</subject><subject>Electrically conductive</subject><subject>Frequency ranges</subject><subject>Immittance spectroscopy</subject><subject>Inclusions</subject><subject>Multifunctional material</subject><subject>Polarization</subject><subject>Polyvinyl alcohols</subject><subject>Steel fibers</subject><issn>0264-1275</issn><issn>1873-4197</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kD9PwzAQxS0EEqXwDRg8siS1YydOF6SqKn-kSjAAq-XaZ-oqToLtIvXb41Jmprune_d090PolpKSEtrMdqVXyUAsq6xKUpeEiTM0oa1gBadzcY4mpGp4QStRX6KrGHeEVJVgfIL8qgOdwqC34J1WHXbeu5RUrwHH8XcU9TAesBrHzoHBacAKbw-b4Ax-_VjMYgLosHUbCBj6T9cDhGzT4KFPLrlhH7Ee_DhEl-AaXVjVRbj5q1P0_rB6Wz4V65fH5-ViXWjG5qnQprGbqmJU6cYSNqcKrOWKcaHa1rZaNMIQkxtbN5TR7BFUUcoNN1mSmk3R3Sl3DMPXHmKS3kUNXad6yAdJ2lZ1zWvSkGzlJ6vOn8YAVo7BeRUOkhJ5pCt38kRXHulKUstMN6_dn9Ygv_HtIMioHWRqxoVMTZrB_R_wA-grh2o</recordid><startdate>20160905</startdate><enddate>20160905</enddate><creator>Suryanto, B.</creator><creator>McCarter, W.J.</creator><creator>Starrs, G.</creator><creator>Ludford-Jones, G.V.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-3979-9994</orcidid></search><sort><creationdate>20160905</creationdate><title>Electrochemical immittance spectroscopy applied to a hybrid PVA/steel fiber engineered cementitious composite</title><author>Suryanto, B. ; McCarter, W.J. ; Starrs, G. ; Ludford-Jones, G.V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c339t-cd6fb2231ac6f0391aeff4a347a88f8c767d0df8cf561316f071a114d4d131053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Cement composite</topic><topic>Curing</topic><topic>Dosage</topic><topic>Effective medium theory</topic><topic>Electrical properties</topic><topic>Electrically conductive</topic><topic>Frequency ranges</topic><topic>Immittance spectroscopy</topic><topic>Inclusions</topic><topic>Multifunctional material</topic><topic>Polarization</topic><topic>Polyvinyl alcohols</topic><topic>Steel fibers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Suryanto, B.</creatorcontrib><creatorcontrib>McCarter, W.J.</creatorcontrib><creatorcontrib>Starrs, G.</creatorcontrib><creatorcontrib>Ludford-Jones, G.V.</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials & design</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Suryanto, B.</au><au>McCarter, W.J.</au><au>Starrs, G.</au><au>Ludford-Jones, G.V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrochemical immittance spectroscopy applied to a hybrid PVA/steel fiber engineered cementitious composite</atitle><jtitle>Materials & design</jtitle><date>2016-09-05</date><risdate>2016</risdate><volume>105</volume><spage>179</spage><epage>189</epage><pages>179-189</pages><issn>0264-1275</issn><eissn>1873-4197</eissn><abstract>Alternating current (a.c.) electrical property measurements are presented on an Engineered Cementitious Composite (ECC) reinforced with a hybrid mix of polyvinyl alcohol fibers (fixed dosage) and straight steel fibers of varying dosages (0.15–1.0% by volume), with the aim at elucidating the influence of conductive inclusions on the nature of conduction and polarization processes within the composite. Measurements were undertaken over the frequency range 1Hz–10MHz at 7, 14 and 28days after casting and the data presented in a range of formalisms to aid interpretation. When plotted in the frequency domain, the work shows that steel fibers enhance the polarizability of the material, particularly within the frequency range ~10Hz–10kHz. When presented in Nyquist format, this feature manifests itself as an intermediate arc forming between a high frequency arc (>10kHz) and a low frequency arc (<10Hz), the latter resulting from polarization processes at the sample/electrode interface. The prominence of the intermediate arc was found to be dependent upon steel fiber dosage and curing time. It is shown that the bulk electrical conductivity conforms to the equivalent inclusion theory which is a variant on the effective medium theory.
[Display omitted]
•AC electrical properties of a hybrid PVA/steel fiber ECC presented for the first time•A dual bulk-arc response observed in the Nyquist format•A dielectric enhancement observed in the frequency-domain response•Charges at the steel fiber–ECC matrix interface give rise to the polarizability of the composite system.•The bulk electrical conductivity conforms to the equivalent inclusion theory.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.matdes.2016.05.037</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-3979-9994</orcidid></addata></record> |
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| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Cement composite Curing Dosage Effective medium theory Electrical properties Electrically conductive Frequency ranges Immittance spectroscopy Inclusions Multifunctional material Polarization Polyvinyl alcohols Steel fibers |
| title | Electrochemical immittance spectroscopy applied to a hybrid PVA/steel fiber engineered cementitious composite |
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