JMS_V4_N3_RP3
Fabrication and Characteristics of AMC/RHA Functionally Graded Materials by Controlled Mold Filling
P. Nanda Kumar
P.S. Ravi Kumar
G. Ranga Janardhana
Journal on Material Science
2347–615X
4
3
12
18
Functionally Graded Materials (FGM), Rice Husk Ash (RHA), Controlled Mold Filling (CMF), Density, Hardness
Functionally Graded Materials (FGM) have been continuously attracting attention in the recent days as they offer varied properties in an uniform manner which is otherwise not possible for common engineering materials. However, production of FG products is still a practicing art. Producing functionally graded materials in the form of layered structure consisting of Al-Mg-Cu (AMC) alloy and Rice Husk Ash (RHA) by Controlled mold filling procedure is presented. The density, impact strength, and hardness in each layer of the FG product were measured. The microstructures of these layers were studied. The results obtained show that functionally graded materials produced by the controlled mold filling process exhibited an improvement in impact strength and hardness and a reduced density with addition of the rice husk ash.
October - December 2016
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