Iron-Rich Glass-Ceramics Obtained from Mill Scale

Indiara Tereza Alves; Cristian Faller; Diógenes Honorato Piva; Roger Honorato Piva; Fernando Marco Bertan; Oscar Rubem Klegues Montedo

doi:10.4028/www.scientific.net/MSF.820.411

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HomeMaterials Science ForumMaterials Science Forum Vol. 820Iron-Rich Glass-Ceramics Obtained from Mill Scale

Iron-Rich Glass-Ceramics Obtained from Mill Scale

Abstract:

Mill scale contains high amounts of iron and it is classified as residue Class 2 – Not Inert (ABNT NBR 10.004:2004). Considering its availability, this study aimed to investigate glass-ceramics from this residue focused on its valorization. The influence of lithium oxide and zirconia was also evaluated. Six formulations were melted at 1350 °C and obtained frits were wet ground, dried and characterized: X-ray fluorescence, X-ray diffraction, thermal differential analysis and dilatometry. Pressed bodies were dried and heat treated at 950 °C. After, crystallized samples were characterized by different techniques: X-ray diffraction, apparent and theoretical density, coefficient of thermal expansion, hardness and bending strength. Results showed that lithium oxide and zirconia significantly influenced the thermal and structural behavior of obtained glass-ceramics.

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Materials Science Forum (Volume 820)

Pages:

411-416

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.820.411

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Online since:

June 2015

Authors:

Indiara Tereza Alves*, Cristian Faller, Diógenes Honorato Piva, Roger Honorato Piva, Fernando Marco Bertan, Oscar Rubem Klegues Montedo

Keywords:

Ceramic, Crystallization, Glass-Ceramics, Properties, Steel Waste

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