Calcined Clay Lightweight Ceramics Made with Wood Sawdust and Sodium Silicate

AUTOR(ES)

Santis, Bruno Carlos de, Rossignolo, João Adriano, Morelli, Marcio Raymundo

FONTE

Mat. Res.

DATA DE PUBLICAÇÃO

17/10/2016

RESUMO

This paper aims to study the influence of including wood sawdust and sodium silicate in the production process of calcined clay lightweight ceramics. In the production process first, a sample used by a company that produces ceramic products in Brazil was collected. The sample was analysed by techniques of liquidity (LL) and plasticity (LP) limits, particle size analysis, specific mass, X-ray diffraction (XRD) and X ray fluorescence spectrometry (XRF). From the clay, specimens of pure clay and mixtures with wood sawdust (10%, 20% and 30% by mass) and sodium silicate were produced and fired at a temperature of 900 ºC. These specimens were submitted to tests of water absorption, porosity, specific mass and compressive strength. Results of this research indicate that the incorporation of wood sawdust and sodium silicate in the ceramic paste specimens can be useful to make calcined clay lightweight ceramics with special characteristics (low values of water absorption and specific mass and high values of compressive strength), which could be used to produce calcined clay lightweight aggregates to be used in structural concrete.

Documentos Relacionados

• Incorporation of in Natura and Calcined Red Muds into Clay Ceramic
• Technological properties of a self-bloating clay and expanded-clay aggregate for the production of lightweight concrete
• Effects of pre-wetting aggregate on the properties of mortars made with recycled concrete and lightweight aggregates
• Obtaining and characterizing dental hybrid composites with clay or silica nanoparticles and boron-aluminum-silicate glass microparticles
• Characterization and Evaluation of Ceramic Properties with Spherical and Prismatic Samples of Clay Used in Red Ceramics