The Effect Of Spent Bleach Earth (SBE) WT %On The Physical And Mechanical Properties Of Sintered Glass Composite

Nurulhuda, Mostafa (2013) The Effect Of Spent Bleach Earth (SBE) WT %On The Physical And Mechanical Properties Of Sintered Glass Composite. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This research aims to investigate the effect of Spent Bleach Earth (SBE) wt % on the physical and mechanical properties of sintered glass composite. Soda lime silicate glass (SLSG) is used as main raw material and spent bleach earth (SBE) act as filler for the glass composite fabrication. Firstly, the recycle glass bottles were crushed by using hammer until it passed through a sieve of less than 75μm. The glass powder is then mixed with spent bleach earth (SBE) with a batch composition of SLSG wt % to SBE wt% which is 70:30, 60:40, 40:60, and 30:70. Then, green composite pallet is formed using uniaxial dry pressing method. Green composite is referred to the unfired composite. In this study, the sintering temperature used was 850°C. The microstructure, phase and element present in glass composite are analyzed using scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX), and X-Ray diffraction (XRD). Through the material characterization analysis, the glass composite become harder as the phase more crystalline. The physical properties are determined using porosity, density measurement and water absorption test. The mixture of SLSG to SBE 70:30 wt% has lowest value of porosity with average 0.12%, lowest water absorption average of 0.03%, yet has the highest density with 3.85 g/cm3. As the porosity and water absorption decreases, the density increases and thus improves the physical properties. Mechanical analysis is carried out using microhardness test to determine its mechanical properties. The obtained glass composite with batch mixture of 70:30 wt % of glass to SBE has high value Vickers hardness of 676.3 HV and proposed for tiles application.

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