Experimental Investigation on the Effects of Copper Nano Particles Suspended NaNO3 Electrolyte in ECM


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Abstract


The first attempt is to introduce nano particles mixed electrolyte in electrochemical machining (ECM) process on improving  material removal rate (MRR) and minimum surface roughness (SR) of high carbon high chromium die steel (HCHCr) with 67 HRc. The intervening variables (MRR and SR) depending upon the process parameters of ECM like applied voltage, tool feed rate, electrolyte concentration composition and electrolyte flow rate. In this experimental work two electrolytes, namely plain aqueous sodium nitrate (NaNO3) and 40 grams of copper (Cu) nano particle mixed with plain aqueous sodium nitrate electrolyte. The experimental results provide evidence that Cu nano particles mixed aqueous NaNO3 electrolyte improves MRR and minimum SR of HCHCr die steel on maximum working conditions when compared to plain aqueous NaNO3 electrolyte under similar working condition.
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Keywords


Electrochemical Machining (ECM); Sodium Nitrate (NaNO3); Nano Copper particles (Cu); Material Removal Rate (MRR); Surface Roughness (SR); High Carbon High Chromium Die Steel (HCHCr)

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