Electrical discharge machining of complex holes using shape memo

Details Electrical discharge machining of complex holes using shape memo Electrical discharge machining of complex holes using shape memo

1995-03-01

1997-09-23

Zimmerman, John

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

219 6912, 219 6915, B23H 708, C22F 118

Patent

active

056699913

ABSTRACT:
A method of electrical discharge machining at least one shaped hole in a metallic article using a shape memory alloy electrode is disclosed. The method comprises the steps of processing at least one shape memory alloy wire electrode to retain a trained shape; loading the electrode in an electrical discharge machining device; and electrical discharge machining at least one shaped hole in the article, whereby the hole approximates the trained shape of the electrode.

REFERENCES:
patent: 5092941 (1992-03-01), Miura
patent: 5133721 (1992-07-01), Angulo
patent: 5458597 (1995-10-01), Edwards
Paper Entitled, Electrical Discharge Machining Utilizing "Smart Electrodes", J.S. DeFilippo, E.G. Adamski, Presented at the International Conference on Shape Memory and Superelasticity: Engineering and Biomedical Application Asilomar Conference Center, Pacific Grove, CA, Mar. 6-10, 1994 (Patent Application filed Mar. 1, 1995).
A Thesis, Electrical Discharge Machining of Curved Holes for Turbine Airfoil Cooling, Edward G. Adamski, The University of Connecticut (Two Final Copies of Thesis retained in Director of Graduate Record's Office Until Apr. 1, 1995; After Apr. 1, 1995 Thesis Will be Released for Docketing in University Connecticut Library).
C.M. Wayman, "Some Applications of Shape-Memory Alloys", Journal of Metals, Jun. 1980, pp. 129-133, 135-137.

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