Evaluation of electrochemical phenomena of fly ash and blast furnace slag in commercial cement mixtures
Steel reinforced concrete is the most commonly used composite material in construction; however, large amounts of energy, natural resources are required for its manufacture and is susceptible to corrosion in the presence of aggressive environments. However, there are alternatives aimed at sustainabl...
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| Veröffentlicht in: | Journal of physics. Conference series 2019-11, Vol.1386 (1), p.12086 |
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| creator | Hernández Carrillo, C G Gutiérrez-Junco, O J Sarmiento Rojas, J A |
| description | Steel reinforced concrete is the most commonly used composite material in construction; however, large amounts of energy, natural resources are required for its manufacture and is susceptible to corrosion in the presence of aggressive environments. However, there are alternatives aimed at sustainable development, through the gradual replacement of ordinary cement with other Supplementary cementitious materials. Consequently, the present investigation evaluates the effect of fly ash and granulated blast furnace slag on the electrochemical phenomena of steel bars, embedded in a cement paste matrix, characterized by scanning electron microscopy, X-ray fluorescence and area surface to establish variations in electrochemical phenomena evaluated by Tafel extrapolation curves, half-cell potential, resistance to linear polarization and electrochemical impedance spectroscopy. The electrochemical conditions show that the surface areas and composition affect the passivation degree; therefore, mixtures with FA generate passive protection and on the contrary, the mixture with GBFS does not present any type of corrosion protection. |
| doi_str_mv | 10.1088/1742-6596/1386/1/012086 |
| format | Article |
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However, there are alternatives aimed at sustainable development, through the gradual replacement of ordinary cement with other Supplementary cementitious materials. Consequently, the present investigation evaluates the effect of fly ash and granulated blast furnace slag on the electrochemical phenomena of steel bars, embedded in a cement paste matrix, characterized by scanning electron microscopy, X-ray fluorescence and area surface to establish variations in electrochemical phenomena evaluated by Tafel extrapolation curves, half-cell potential, resistance to linear polarization and electrochemical impedance spectroscopy. The electrochemical conditions show that the surface areas and composition affect the passivation degree; therefore, mixtures with FA generate passive protection and on the contrary, the mixture with GBFS does not present any type of corrosion protection.</description><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/1386/1/012086</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Blast furnace slags ; Cement ; Cement paste ; Composite materials ; Corrosion prevention ; Electrochemical impedance spectroscopy ; Electrode polarization ; Fly ash ; Granulation ; Linear polarization ; Natural resources ; Physics ; Reinforced concrete ; Reinforcing steels ; Slag ; Sustainable development ; X-ray fluorescence</subject><ispartof>Journal of physics. Conference series, 2019-11, Vol.1386 (1), p.12086</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>2019. 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The electrochemical conditions show that the surface areas and composition affect the passivation degree; therefore, mixtures with FA generate passive protection and on the contrary, the mixture with GBFS does not present any type of corrosion protection.</description><subject>Blast furnace slags</subject><subject>Cement</subject><subject>Cement paste</subject><subject>Composite materials</subject><subject>Corrosion prevention</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Electrode polarization</subject><subject>Fly ash</subject><subject>Granulation</subject><subject>Linear polarization</subject><subject>Natural resources</subject><subject>Physics</subject><subject>Reinforced concrete</subject><subject>Reinforcing steels</subject><subject>Slag</subject><subject>Sustainable development</subject><subject>X-ray fluorescence</subject><issn>1742-6588</issn><issn>1742-6596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkNtKxDAQhosouK4-gwHvhLpJ00N6Kct6YkFBvQ7TdLLbJW1q0or79rZUFEEwF5MM839D-ILgnNErRoVYsCyOwjTJ0wXjYigLyiIq0oNg9j05_H4LcRyceL-jlA8nmwWb1TuYHrrKNsRqggZV56zaYl0pMKTdYmNrbGAcarMn4LcEmpIUBnxHdO8aUEi8gQ2pGqJsXaNT1UAqHLCO1NVH1zv0p8GRBuPx7OueB683q5flXbh-vL1fXq9DxZO8C1FgliHNBTAexVTkMUXGEFLICxoXmGAuVAkqhaErdAkZw6xgIhIF10me8HlwMe1tnX3r0XdyZ8dPGi-jJBVc5FEcDalsSilnvXeoZeuqGtxeMipHq3L0JUd3crQqmZysDiSfyMq2P6v_py7_oB6els-_g7ItNf8EpyGIhg</recordid><startdate>20191101</startdate><enddate>20191101</enddate><creator>Hernández Carrillo, C G</creator><creator>Gutiérrez-Junco, O J</creator><creator>Sarmiento Rojas, J A</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20191101</creationdate><title>Evaluation of electrochemical phenomena of fly ash and blast furnace slag in commercial cement mixtures</title><author>Hernández Carrillo, C G ; Gutiérrez-Junco, O J ; Sarmiento Rojas, J A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-e8e77e098a132408940e11ea6a9b04be5e98cdac6a04bbfda71e7b1828b3f5953</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Blast furnace slags</topic><topic>Cement</topic><topic>Cement paste</topic><topic>Composite materials</topic><topic>Corrosion prevention</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Electrode polarization</topic><topic>Fly ash</topic><topic>Granulation</topic><topic>Linear polarization</topic><topic>Natural resources</topic><topic>Physics</topic><topic>Reinforced concrete</topic><topic>Reinforcing steels</topic><topic>Slag</topic><topic>Sustainable development</topic><topic>X-ray fluorescence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hernández Carrillo, C G</creatorcontrib><creatorcontrib>Gutiérrez-Junco, O J</creatorcontrib><creatorcontrib>Sarmiento Rojas, J A</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Aerospace Database</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace 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><jtitle>Journal of physics. 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| subjects | Blast furnace slags Cement Cement paste Composite materials Corrosion prevention Electrochemical impedance spectroscopy Electrode polarization Fly ash Granulation Linear polarization Natural resources Physics Reinforced concrete Reinforcing steels Slag Sustainable development X-ray fluorescence |
| title | Evaluation of electrochemical phenomena of fly ash and blast furnace slag in commercial cement mixtures |
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