experimental study on electrical-discharge machining of cobalt bonded tungsten carbides using graphite electrodes

Use of an orthogonal arrangement for the analysis of the

Prez, C. F., Moya, E., Coello, D. (2018). Use of an orthogonal arrangement for the analysis of the process of die sink electrical discharge machining with shape electrodes of graphite and copper on aluminum micro-casting). Enfoque UTE, 9(3), pp. 67 - 79

Department of Mechanical Engineering, Coimbatore

Influence of heat Treatment and aging process on LM13 Aluminium Alloy Cast Sections: An Experimental Study 10.1016/j.matpr.2017.07.046 75 An Experimental Study on Turning of AL6063 under Cryogenic Pre Cooled Condition 10.1016/j.procir.2015.08.048 79

Material removal rate and electrode wear ratio study on

2007/12/7In this article, a material removal rate (MRR) and electrode wear ratio (EWR) study on the powder mixed electrical discharge machining (PMEDM) of cobalt-bonded tungsten carbide (WC-Co) has been carried out. This type of cemented tungsten carbide was widely used as moulding material of metal forming, forging, squeeze casting, and high pressure die casting. In the PMEDM process, the

Grinding effects on surface integrity, flexural strength

carbides, machining is almost exclusively dependent on this process [22]. Fig. 3.2 Schematic drawing showing a workpiece being ground by a grinding wheel and the abrasive particles bonded on the wheel [23]. Note that some basic grinding parameters are also

Synthesis of Surface

Separation of bulk tungsten disulfide (or WS2) into few-layer two-dimensional (2-D) crystals is of interest because of their high surface area for certain chemical processes and size-dependent optical and electronic characteristics. Herein, we demonstrate a process that involves the physical separation of weakly bonded WS2 layers by use of a strong acid treatment (chlorosulfonic acid) at 2 mg

SOME EXPERIMENTAL INVESTIGATION ON ALUMINUM

wear ratio study on the powder mixed electrical discharge machining of cobalt-bonded tungsten carbide". The International Journal of Advanced Manufacturing Technology, Volume 40, Issue 1-2, January 2009, pp. 95-104 9. Kansal H.K., Singh S., Kumar

CIRP

Keywords: Electrical Discharge Machining, Micromachining, Scanning Electrode Abstract : In recent micro-EDM processes various kinds of thin tool manufacturing methods, including the wire electrical discharge grinding (WEDG) have been proposed to satisfy the growing need for very thin tools.

Electrical Discharge Machining of Ren 108 DS Nickel

Abstract Manufacturing industries aim for high quality production with decreased cost and time. To this purpose, optimization of the processing parameters is required, in order to reduce the machining time and match the quality standards. This study has been conducted to electrical discharge machining on Ren 108 DS. In the process, the electrode material is crucial for metal removal and tool

A Study on Micro

Journal of Materials Processing Technology 211 (2011) 311 Contents lists available at ScienceDirect Journal of Materials Processing Technology j our nal homepage: www. el sevi er . com/ l ocat e/ j mat pr ot ec A study on micro-hole machining of polycrystalline diamond by micro-electrical discharge machining D. Wang, W.S. Zhao

Electrical Discharge Machining

Generalities Electrical discharge machining is a machining method primarily used for hard metals or those that would be very difficult to machine with traditional techniques. EDM typically works with materials that are electrically conductive, although methods for machining insulating ceramics[7][8] with EDM have also been proposed.

Peer Reviewed Journal

A Review on Optimization of Process Parameters for Improving Performance in Electrical Discharge Machining Abstract: The correct selection of manufacturing conditions is one of the most important aspects to take into consideration in the majority of manufacturing processes and, particularly, in processes related to Electrical Discharge Machining (EDM).

Investigation Of Mechanical Properties And Electric

Composite materials play an important role in the field of engineering as well as advance manufacturing in response to unprecedented demands from technology due to rapidly advancing activities in aircrafts, aerospace and automotive industries

Use of an orthogonal arrangement for the analysis of the

Prez, C. F., Moya, E., Coello, D. (2018). Use of an orthogonal arrangement for the analysis of the process of die sink electrical discharge machining with shape electrodes of graphite and copper on aluminum micro-casting). Enfoque UTE, 9(3), pp. 67 - 79

Statistical Modeling and Optimization of Process Parameters in Electro

another study, Lin et al. [8] investigated into the effects of electrical discharge energy on machining characteristics of two different kinds of cemented tungsten carbides, grades K10 and P10. They have indicated that there exists a particular range of

Effects of Machining Parameters on Performance Characteristics

graphite) and powder particles (tungsten carbide, cobalt, boron carbide) on surface roughness (SR) for Inconel-800 superalloy in powder mixed electrical discharge machining process (PMEDM). The Box–Behnken design had been applied to design

Statistical Modeling and Optimization of Process Parameters in Electro

another study, Lin et al. [8] investigated into the effects of electrical discharge energy on machining characteristics of two different kinds of cemented tungsten carbides, grades K10 and P10. They have indicated that there exists a particular range of

Effect of Electrode Materials on Electric Discharge Machining of

ceramics using copper electrode by applying design of experiments [6]. While studying the machining charac-teristics of tungsten carbide-cobalt composite and ce-ramics by EDM process, it is observed that increasing the pulse time enhances the machining[7].

Effect of Tool Material on Metal Removal Efficiency, Surface

discharge machining of cobalt-bonded tungsten [20] Electrical discharge machining of titanium alloy In the current study, electrical discharge machining of γ-TiAl samples is investigated using different tool electrodes of graphite, copper, and aluminum. The

Effect of Tool Material on Metal Removal Efficiency, Surface

discharge machining of cobalt-bonded tungsten [20] Electrical discharge machining of titanium alloy In the current study, electrical discharge machining of γ-TiAl samples is investigated using different tool electrodes of graphite, copper, and aluminum. The

Proceedings of International Conference on Leading Edge

This study deals with the expansion of the diameter of a hole fabricated on the inside wall of another straight hole by means of electrical discharge machining. Although our research group has developed devices which can machine a hole inside another hole, the shape of the fabricated hole has been limited.

References

References Yan, Mu-Tian, Huang, Chen-Wei, Fang, Chi-Cheng, Chang, Chia-Xuan "Development of a prototype Micro-Wire-EDM machine", Journal of Materials Processing Technology 149 (2004) 99–105 Jahan M P, Wong Y S, Rahman M, "A study on the quality micro-hole machining of tungsten carbide by micro-EDM process using transistor and RC-type pulse generator".

Optimization of Process Parameters of Powder Mixed Dielectric

study on the powder mixed electrical discharge machining of cobalt-bonded tungsten carbide", Int J AdvManufTechnol (2009) 40:95–104 Paper ID: NOV163302 391 Title Optimization of Process Parameters of Powder Mixed Dielectric EDM for MRR and Ra by

A Comparative Study of Machining Parameters on Die

A study on MRR and EWR on powder mixed electrical discharge machining (PMEDM) of Cobalt-bonded tungsten carbide (WC-Co) has been carried out by authors in (Kung et al., 2009). The machining parameters considered for evaluation of MRR and EWR were discharge current, pulse on-time, grain size and concentration of Al powder.

Experimental Investigation of Different Additives used for Surface

work piece modification in electrical discharge machining of AISI H13 tool steel. They had found about increase in surface hardness of AISI H13 steel work material in die sinking EDM process, by using tungsten carbide-cobalt (WC/Co) electrode at high

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