Finite element analysis of creep in a functionally graded rotating disc Online publication date: Sat, 16-Aug-2014
by Goel Nitin; Garg Manish; B.S. Saini; V.K. Gupta
International Journal of Computer Aided Engineering and Technology (IJCAET), Vol. 4, No. 5, 2012
Abstract: Creep behaviour of a functionally graded rotating disc has been investigated by using finite element-based Abaqus software. The disc is made of composite containing linear distribution of silicon carbide particles in a matrix of pure aluminium. The creep behaviour of the composite is described by Norton's power law. The creep response of the FGM disc has been estimated by using Abaqus software and compared with a similar disc but having uniform distribution of silicon carbide reinforcement. It is observed that the radial stress in the FGM disc is higher than the uniform composite disc throughout. However, the tangential and effective stresses in the FGM disc show significant increase near the inner radius but exhibit decrease near the outer radius when compared to a uniform composite disc. The strain rates in the FGM disc are significantly lower than those observed in a similar disc having uniform distribution of reinforcement.
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