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We have added expanded vermiculite and polypropylene fibers with low thermal conductivity to lightweight gypsum. Thermal conductivity of the composites decreases on addition of vermiculite as pore-maker. Physical and mechanical properties of the composites are improved by incorporating polypropylene fibers. A nonlinear finite element model of a three point bending model and a design of experiments analysis have been developed to evaluate and optimize the additive concentrations and also to understand the effects provided by the additives on the mechanical strength. Statistical response surface method with three-level factorial was employed to evaluate the effect of addition of vermiculite and polypropylene fibers on gypsum composites. Our methodology can be applied to other nonlinear materials for property optimization.

Titel:	Properties of gypsum composites containing vermiculite and polypropylene fibers: Numerical and experimental results
Autor/in / Beteiligte Person:	GENCEL, Osman ; DEL COZ DIAZ, Juan Jose ; SUTCU, Mucahit ; KOKSAL, Fuat ; ALVAREZ RABANAL, F. P ; MARTINEZ-BARRERA, Gonzalo ; BROSTOW, Witold
Link:	E-Journal im Bestand der UB Hagen? View record from PASCAL Archive
Zeitschrift:	Energy and buildings, Jg. 70 (2014), S. 135-144
Veröffentlichung:	Oxford: Elsevier, 2014
Medientyp:	academicJournal
Umfang:	print, 50 ref
ISSN:	0378-7788 (print)
Schlagwort:	Energy Énergie Civil engineering Génie civil Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Batiment. Travaux publics Buildings. Public works Calcul des constructions. Sollicitations Structural analysis. Stresses Résistance des matériaux (élasticité, plasticité, flambage, etc.) Strength of materials (elasticity, plasticity, buckling, etc.) Matériaux Materials Divers (bétons de résines, produits de réparation et d'entretien, etc.) Miscellaneous (including polymer concrete, repair and maintenance products, etc.) Conductivité thermique Thermal conductivity Conductividad térmica Etude expérimentale Experimental study Estudio experimental Fibre Fiber Fibra Gypse Gypsum Yeso Matériau composite Composite material Material compuesto Matériau construction Construction materials Material construcción Méthode élément fini Finite element method Método elemento finito Optimisation Optimization Optimización Propriété matériau Properties of materials Propiedad material Propène polymère Propylene polymer Propeno polímero Résistance mécanique Strength Resistencia mecánica Résultat expérimental Experimental result Resultado experimental Simulation numérique Numerical simulation Simulación numérica Variance Variancia Vermiculite Vermiculita Finite element modeling Gypsum composite Mechanical strength Polypropylene fibers Response surface methodology
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Civil Engineering Department, Faculty of Engineering, Bartin University, 74100 Bartin, Turkey ; Department of Construction, University of Oviedo, 33204 Gijón, Spain ; Department of Materials Science and Engineering, Faculty of Engineering and Architecture, Izmir Kâtip Celebi University, 35620 Izmir, Turkey ; Department of Civil Engineering, Bozok University, 66000 Yozgat, Turkey ; Laboratorio de Investigación y Desarrollo de Materiales Avanzados (LIDMA), Facultad de Química, Universidad Autónoma del Estado de México, Km.12 de la carretera Toluca-Atlacomulco, San Cayetano 50200, Mexico ; Laboratory of Advanced Polymers and Optimized Materials (LAPOM), Department of Materials Science and Engineering and Center for Advanced Research and Technology (CART), University of North Texas, 3940 North Elm Street, Denton,. TX 76207, United States Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Building. Public works. Transport. Civil engineering

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Properties of gypsum composites containing vermiculite and polypropylene fibers: Numerical and experimental results