Sinter recrystalization and properties evaluation of glass-ceramic from waste glass bottle and magnesite for extended application

Authors

  • As'mau Ibrahim Gebi Ahmadu Bello University, Zaria, Nigeria
  • Shehu Aliyu Yaro Ahmadu Bello University, Zaria, Nigeria
  • Malik Abdulwahab Ahmadu Bello University, Zaria, Nigeria
  • Mamuda Rayyan Dodo Dept. of Metallurgical and Materials Engineering, Ahmadu Bello University, Zaria, Nigeria

Keywords:

sintering temperature, crystal formation, glass ceramic, residual glassy phase

Abstract

In a bid to address environmental challenges associated with the management of waste Coca cola glass bottle, this study set out to develop glass ceramic materials using waste coca cola glass bottles and magnesite from Sakatsimta in Adamawa state. A reagent grade chrome (coloring agent) were used to modify the composition of the coca cola glass bottle;   X-ray fluorescence(XRF), X-ray diffraction (XRD) and Thermo gravimetric analysis (TGA) were used to characterize raw materials, four batches GC-1= Coca cola glass frit +1%Cr2O3, GC-2=97% Coca cola glass frit+ 2% magnesite+1%Cr2O3, GC-3=95% Coca cola glass frit+ 4%magnesite+1%Cr2O3, GC-4=93%Coca cola glass frit+ 6%magnesite+ 1%Cr2O3 were formulated and prepared. Thermal Gradient Analysis (TGA) results were used as a guide in selection of three temperatures (7000C, 7500C and 8000C) used for the study, three particle sizes -106+75, -75+53, -53 µm and 2 hr sintering time were also used, the sinter crystallization route of glass ceramic production was adopted. The samples were characterized by X-ray diffraction (XRD) and Scanning Electron Microscope (SEM), the density, porosity, hardness and flexural strength of the resulting glass ceramics were also measured. The resulting glass ceramic materials composed mainly of wollastonite, diopside and anorthite phases depending on composition as indicated by XRD and SEM, the density of the samples increased with increasing sintering temperature and decreasing particle size. The porosity is minimal and it decreases with increasing sintering temperature and decreasing particle size. The obtained glass ceramic materials possess appreciable hardness and flexural strength with GC-3 and GC-4 having the best combination of both properties.

Author Biography

Mamuda Rayyan Dodo, Dept. of Metallurgical and Materials Engineering, Ahmadu Bello University, Zaria, Nigeria

Dept. of Metallurgical and Materials Engineering, Lecturer II

References

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Published

2016-12-31

How to Cite

Gebi, As’mau Ibrahim, Shehu Aliyu Yaro, Malik Abdulwahab, and Mamuda Rayyan Dodo. 2016. “Sinter Recrystalization and Properties Evaluation of Glass-Ceramic from Waste Glass Bottle and Magnesite for Extended Application”. Metallurgical and Materials Engineering 22 (4):285-302. https://metall-mater-eng.com/index.php/home/article/view/223.

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Articles - archived