Multi Response Optimization on Machinability of SiC Waste Fillers Reinforced Polymer Matrix Composite Using Taguchi's Coupled Grey Relational Analysis

Recycling and reutilization of industrial waste is one way to minimize land pollution to attain green environment. In this research waste SiC grinding wheel was ball milled to powder form and used as filler material to develop epoxy glass fibre composite. Hand layup assisted compression moulding was adopted to fabricate grinding wheel powder filler (1, 2, 3 wt.%) reinforced polymer matrix composite. Machinability of developed composite was studied by Abrasive water jet machining. Taguchi coupled grey relation analysis was adopted to investigate the influence of input parameter viz. transverse speed, standoff distance and water pressure over output response viz. Material Removal Rate(MRR) and Kerf Width (KW) and to attain optimal control factor. Results reveal that stand off distance and transverse speed has more influence on output response. Transverse speed of 30 mm/min; 2 mm stand-off distance; 220 bar of water pressure is the optimal parameter attain higher MRR and lower KW.

Automated summary

Recycling and reutilization of industrial waste is an effective way to reduce land pollution and achieve a green environment. This study utilized waste SiC grinding wheel as filler material to develop epoxy glass fibre composite, and investigated its machinability using abrasive water jet machining. The results indicated that the transverse speed and standoff distance had significant influence on the material removal rate and kerf width. The optimal parameters for achieving high material removal rate and low kerf width were found to be a transverse speed of 30 mm/min, a standoff distance of 2 mm, and a water pressure of 220 bar.