• R.Chandana
• B.Swarnalatha

Electro Discharge Machining (EDM) has become an important and cost-effective method of machining extremely tough and brittle electrically conductive materials. It is widely used in the process of making mould, dies, sections of complex geometry and intricate shapes. The work piece material selected for this study is nickel, He30, SS304 performance variables i.e. high material removal rate, low tool wear rate, better surface finish with lower dimensional tolerance. Further a regression analysis can be used for finding the model equations for various performance parameters.the welding properties of the UNS S32304 lean duplex stainless steel were investigated in order to improve the microstructure and mechanical properties. Nickel powder was directly poured inside the joint gap and mixed with the filler metal during the Gas Tungsten Arc Welding (GTAW) process; moreover, the solution heat treatment was performed at 1100 °C for 10 min. The joints were characterized by optical microscopy (OM) and the evolution of the phase percentages in the different zones was studied by means of the image analysis technique. Tensile and hardness tests were carried out on the joints in order to evaluate the improvement of the mechanical properties. The results showed that both the addition of nickel powder during the welding process and the post weld heat treatment made it possible to improve the mechanical properties of the weld joints.

STUDY AND OPTIMIZATION OF EDM POWDERED PROPERTIES FOR NICKEL, HE30, SS304

"STUDY AND OPTIMIZATION OF EDM POWDERED PROPERTIES FOR NICKEL, HE30, SS304", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 4, page no.457-461, April-2019, Available :http://www.jetir.org/papers/JETIRAU06066.pdf

"STUDY AND OPTIMIZATION OF EDM POWDERED PROPERTIES FOR NICKEL, HE30, SS304", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 4, page no. pp457-461, April-2019, Available at : http://www.jetir.org/papers/JETIRAU06066.pdf