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Effect of Volume Fraction on the Mechanical Properties of Periwinkle Shell Reinforced Polyester Composite (PRPC)
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Volume 2, 2015
Issue 1 (January)
Pages: 1-15   |   Vol. 2, No. 1, January 2015   |   Follow on         
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Onyechi P. C., Department of Industrial and Production Engineering, Nnamdi Azikiwe University, Awka, Nigeria.
Asiegbu K. O., Department of Industrial and Production Engineering, Nnamdi Azikiwe University, Awka, Nigeria.
Igwegbe C. A., Department of Chemical Engineering, Nnamdi Azikiwe University, Awka, Nigeria.
Nwosu M. C., Department of Industrial and Production Engineering, Nnamdi Azikiwe University, Awka, Nigeria.
The effects of volume fraction of periwinkle shells (PWS) on the mechanical properties of particulate reinforced polyester composite (PRPC) was investigated. Five replicated samples of each volume fraction of 10%, 20%, 30%, 40% and 50%. 100 samples were produced and 25 of these samples were subjected to each mechanical test which include; tensile, flexural, hardness, and impact test. The average test results were used for graphical analysis with Minitab 15 software (developed in 2007). The maximum tensile strength of 24.3MPa was obtained from the composite made of 400μm particle size at 30% volume content. The maximum flexural strength of 47.4MPa was also obtained from the composite made of 400μm particle size at 30% volume content. Additionally, the composite made of 400μm particle size at 50% volume content gave the maximum hardness number (BHN) of 249. The composite made up of 1760μm particle size at 50% volume content yielded the maximum impact strength of 23.2Jm-2. It is concluded that the tensile and flexural strength rises highest at 30% content where it then decreases sharply, but in hardness and impact test, increase in volume fraction increases the BHN and impact strength.
Composite, Flexural, Hardness, Impact Test, Periwinkle Shells, Strength, Tensile, Volume Fraction
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