Optimization of material characteristics of macro-defect free cement

dc.authoridEkincioglu, Ozgur/0000-0003-1861-9007
dc.authoridEkincioğlu, Özgür/0000-0003-1861-9007
dc.authoridOzkul, M. Hulusi/0000-0002-6453-8956
dc.authorscopusid26532571900
dc.authorscopusid6601999536
dc.authorscopusid7003767365
dc.authorscopusid14056405500
dc.authorwosidEkincioglu, Ozgur/ABB-2375-2020
dc.authorwosidEkincioğlu, Özgür/D-5121-2018
dc.authorwosidOzkul, M. Hulusi/AAG-4318-2019
dc.contributor.authorEkincioglu, Ozgur
dc.contributor.authorOzkul, M. Hulusi
dc.contributor.authorStruble, Leslie J.
dc.contributor.authorPatachia, Silvia
dc.date.accessioned2024-05-25T11:24:23Z
dc.date.available2024-05-25T11:24:23Z
dc.date.issued2012
dc.departmentOkan Universityen_US
dc.department-temp[Ekincioglu, Ozgur; Ozkul, M. Hulusi] Istanbul Tech Univ, Fac Civil Engn, TR-34469 Istanbul, Turkey; [Struble, Leslie J.] UIUC, Fac Civil & Environm Engn, Urbana, IL 61801 USA; [Patachia, Silvia] Transilvania Univ Brasov, Mat Sci & Engn Fac, Brasov 500036, Romaniaen_US
dc.descriptionEkincioglu, Ozgur/0000-0003-1861-9007; Ekincioğlu, Özgür/0000-0003-1861-9007; Ozkul, M. Hulusi/0000-0002-6453-8956en_US
dc.description.abstractMacro-defect free (MDF) cement is a high-strength cement-polymer composite produced by mixing cement (commonly calcium aluminate cement) with small amounts of polymer (commonly polyvinyl alcohol acetate) and water, applying high shear, and finally applying relatively low pressure (about 5 MPa) and modest temperature (about 80-100 degrees C). However, MDF cements lose considerable strength when exposed to water. The objective of this study was to explore the effects of cement and polymer compositions on flexural strength and water sensitivity. Calcium aluminate cements were used with Al2O3 contents between 42% and 79%. Production of MDF cement was successful with all cements, but the highest strength (268 MPa) was obtained with 70% Al2O3 cement. Secondly, PVAs were used that differed in their degree of hydrolysis between 73% and 99%. Of these, the one with a moderate degree of hydrolysis produced the highest strength (228 MPa). All mixtures had strength loss on exposure to water, but PVAs with moderate degrees of hydrolysis exhibited the lowest strength losses (50-60%). (C) 2011 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipScientific & Technological Research Council of Turkey (TUBITAK); CNCSIS-Romania [IDEI 389/2009]en_US
dc.description.sponsorshipThe authors thank the Scientific & Technological Research Council of Turkey (TUBITAK) for supporting this study. Chun-Tao Chen performed the thermal analyses at the University of Illinois and FTIR analyses were performed at the Transilvania University of Brasov with the support of CNCSIS-Romania (Project No: IDEI 389/2009). The PVA samples were kindly supplied by Marubeni America Corporation, NY, USA, and Nippon Gohsei Europe GMBH, Duesseldorf, Germany, and the cements were supplied by Lafarge North America, Chesapeake, Virginia, USA.en_US
dc.identifier.citation39
dc.identifier.doi10.1016/j.cemconcomp.2011.11.003
dc.identifier.endpage565en_US
dc.identifier.issn0958-9465
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-84857371352
dc.identifier.scopusqualityQ1
dc.identifier.startpage556en_US
dc.identifier.urihttps://doi.org/10.1016/j.cemconcomp.2011.11.003
dc.identifier.urihttps://hdl.handle.net/20.500.14517/813
dc.identifier.volume34en_US
dc.identifier.wosWOS:000301875900015
dc.identifier.wosqualityQ1
dc.language.isoen
dc.publisherElsevier Sci Ltden_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectMDF compositesen_US
dc.subjectMDF cementsen_US
dc.subjectPVAen_US
dc.subjectHydrolysis degreeen_US
dc.subjectCalcium aluminate cementen_US
dc.subjectWater sensitivityen_US
dc.titleOptimization of material characteristics of macro-defect free cementen_US
dc.typeArticleen_US
dspace.entity.typePublication

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