The effects of powder suspended dielectrics on the thermal influenced zone by electrodischarge machining with small discharge energies

Journal of Materials Processing Technology

Volumn 149, Issue 1-3, 2004, Pages 191-197

  Klocke, F ^a   Lung, D ^a   Antonoglou, G ^a   Thomaidis, D ^a  

^a RWTH AACHEN UNIVERSITY   (Germany)

Author keywords

Cross section; EDM; EDS; High speed framing camera; Inconel 718; Material removal rate; Powder; Recast layer; SEM

Indexed keywords

CONDUCTIVE MATERIALS; ELECTRIC DISCHARGE MACHINING; ELECTRIC DISCHARGES; ENERGY DISPERSIVE SPECTROSCOPY; POWDERS; SCANNING ELECTRON MICROSCOPY; SURFACE ROUGHNESS;

CROSS-SECTION; EDM; HIGH SPEED FRAMING CAMERA; INCONEL 718; MATERIAL REMOVAL RATE (MRR); RECAST LAYER;

DIELECTRIC MATERIALS;

EID: 2942605980     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmatprotec.2003.10.036     Document Type: Conference Paper

References (8)

1. Wong Y.S., Lim L.C., Rahuman I., Tee W.M. Near-mirror-finish phenomenon in EDM using powder-mixed dielectric. J. Mater. Process. Technol. 79:1998;30-40.
2. Tzeng Y.F., Lee C.Y. Effects of powder characteristics on electrodischarge machining efficiency. Int. J. Adv. Manuf. Technol. 17(8):2001;586-592.
3. Jeswani M.L. Effect of the addition of graphite powder to kerosene used as the dielectric fluid in electrical discharge machining. Wear. 70:1981;133-139.
4. Mohri N., Saito N., Higashi M. A new process of finish machining on free surface by EDM methods. Ann. CIRP. 40(1):1991;207-210.
5. Chow H.M., Yan B.H., Huang F.Y., Hung J.C. Study of added powder in kerosene for the micro-slit machining of titanium alloy using electro-discharge machining. J. Mater. Process. Technol. 101:2000;95-103.
6. Mercer C., Soboyejo A.B.O., Soboyejo W.O. Micromechanisms of fatigue crack growth in a forged Inconel 718 nickel-based superalloy. Mater. Sci. Eng. A. 270:1999;308-322.
7. A. Karden, Funkenerosive Senkbearbeitung mit leistungssteigernden Elektrodenwerkstoffen und Arbeitsmedien, Band 2, Ph.D. Thesis, Shaker Verlag, 2001.
8. F. Klocke, D. Lung, M. Klotz, G. Antonoglou, D. Thomaidis, The investigation of the electro discharge machining principles with high speed images, in: Proceedings of the First International Conference on Manufacturing Engineering, 2002, pp. 731-736.