Friction and wear rate characteristics of parts manufactured by fused deposition modelling process Online publication date: Wed, 18-Oct-2017
by Pavan Kumar Gurrala; Srinivasa Prakash Regalla
International Journal of Rapid Manufacturing (IJRAPIDM), Vol. 6, No. 4, 2017
Abstract: The present research work aims at understanding the effect of fused deposition modelling process parameters on tribological properties such as friction and wear rate. Two pin-on-disc parameters, namely normal load and sliding speed have been chosen. Orientation angle of the part is chosen as the third varying parameter. Test specimens are manufactured as per the design of experiments set-up. Response surfaces and interaction effects of process parameters are studied through response surface methodology. Analysis of variance results indicate that there is substantial interaction effect of build orientation angle on comparison with the other two parameters on the tribological properties. Scanning electron microscope micrographs of the worn surfaces reveal the importance of part build orientation and its contribution towards surface strength properties. The tribological studies conclude that cracks are formed in the specimens when tested at high load, high speed and low part build orientation angle of the part.
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