Effect Of Process Parameters On The Mechanical Properties Of RSSP / PP Composites

Nur Atiqah, Ab Ghani (2009) Effect Of Process Parameters On The Mechanical Properties Of RSSP / PP Composites. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The main goals of this research are to characterize the mechanical properties of rubber seed shell filled polypropylene and to investigate the effect of process parameters on its mechanical properties. This research is conducted by recycle rubber seed shell; which will be used as a reinforcement of RSSP/polypropylene composite. The composites will be fabricated using different process parameters and the mechanical properties of this composite will be measured and compared to see the effect of the process parameters. Processes involved in producing this composite is crushing, pulverizing, mixing, and hot pressing. The purpose of doing the above processes is to ensure that rubber seed shell powder mix well and homogenously with polypropylene. Mechanical properties that determined are flexural strength, tensile strength and impact strength. All tests for this material are according to the American Standard Materials Testing (ASTM) for composite material. The result for tensile testing ware divided to three properties that is tensile strength, Young‟s modulus and the elongation of material. While for flexural was divided two properties that is flexural modulus and flexural strength and for impact test is impact strength. The conclusions from these testings are the process parameter was affected the mechanical properties. The good result for the tensile properties is 190oC/15 minutes. On the other hand, for the flexural testing the 200oC/15 minutes was given the higher compression properties. While the impact test is 210oC/5 minutes and shows the increasing mechanical results due to increase in temperature and decrease in time. The process in producing the composite plate also affected to the mechanical properties.

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