Design Of Casting Mold For Natural Fiber – Metal Matrix Composite Material

Sirinjeev Rao, Raman (2013) Design Of Casting Mold For Natural Fiber – Metal Matrix Composite Material. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Casting is an important process to produce a product. Sand casting method is used to do research to combine metal matrix composite with natural fiber. This new material will be used as mold material to reduce the usage of raw metals and increase material properties for the mold. The objective of this research is to design the sand casting mold for the mixture of natural fiber and metal matrix composites (MMC). The pattern of sand casting product involved an Aluminum alloy (LM6) as metal matrix alloy, Titanium Carbide as reinforced material, and empty fruit bunch as natural fiber composites. Open mould sand casting was used to produce MMC and then introduce the natural fiber during the solidification stage. A problem occurred when the filling process in open mould must be laminar flow and there is no gating system to flow the molten metal. There are four design concepts which have pouring basin and runners are generated and simulated with ANSYS software. The result that has been analyzed to compare each design concepts were velocity, internal energy, pressure, turbulent kinetic energy, wall shear stress and cell Reynolds number. Furthermore, the evaluation of each concept were analyzed are the best design was chosen with the aid of ranking method. As the result, concept 3 was selected due to its features that provide a casting with low defects

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