Effect of Addition of Quasicrystals in the Formation of Geopolymer Matrix Composites

Adiana Nascimento Silva; Jaqueline Dias Altidis; Romualdo Rodrigues Menezes; Tibério Andrade dos Passos; Silvio Romero de Barros; Severino Jackson Guedes de Lima

doi:10.4028/www.scientific.net/MSF.727-728.1479

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HomeMaterials Science ForumMaterials Science Forum Vols. 727-728Effect of Addition of Quasicrystals in the...

Effect of Addition of Quasicrystals in the Formation of Geopolymer Matrix Composites

Abstract:

The geopolymer although being a recently discovered material, it is already present in many industrial sectors. This range of applications is due to the commitment of the scientific community to understand and manipulate the material, seeking a contribution in this regard, it has produced geopolymer matrix composites with quasicrystalline and reinforcement, Al_62,2Cu_25,5Fe_12,3in the proportion of 10%, 20% and 30% by volume. These composites were obtained by manual production and heat treated at 400 º C for two hours. The characterization was made with the aid of scanning electron microscopy (SEM) and x-ray diffraction (XRD). Diffractograms of composites without heat treatment showed characteristic peaks of the phases present in the matrix and reinforcement. For the composites with heat-treated, it was observed that besides the phases mentioned above the presence of diffraction peaks possibly associated phase silica sodium aluminate. The composite showed good interface quasicrystal / geopolymer, showing the existence of a phase with lamellar morphology in the treated material.

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Periodical:

Materials Science Forum (Volumes 727-728)

Pages:

1479-1484

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.727-728.1479

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Online since:

August 2012

Authors:

Adiana Nascimento Silva, Jaqueline Dias Altidis, Romualdo Rodrigues Menezes, Tibério Andrade dos Passos, Silvio Romero de Barros, Severino Jackson Guedes de Lima

Keywords:

Composite, Geopolymer, Quasycristal

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