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The Effect of Filler Particle Size on the Mechanical Properties of Waste Styrofoam Filled Sawdust Composite

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Abstract (2. Language): 
The effects of filler particle size on the mechanical properties of waste Styrofoam filled sawdust were investigated. The composite contained 70 wt.% of Styrofoam, whereas the sawdust loading was remained constant at 30 wt.%. 6 wt.% from total composite weight of maleic anhydride was also used as compatibilizer. Sawdust was prepared in several particle sizes viz. 300, 180, 150 and 140 micron. Results indicated that the incorporation of 150 micron have increased the mechanical properties of the composite such as tensile strength, flexural strength and impact strength. However, on the addition of smaller particle size of sawdust (140 micron the properties have decreased. Scanning electron microscopy (SEM) micrographs showed of sawdust in Styrofoam matrix (150 micron) resulted in good distribution and reduce the amount of the voids present in the composite.
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