Industrial and Management Systems Engineering

 

Date of this Version

2011

Citation

Paper presented at the 44th CIRP Conference on Manufacturing Systems, Madison, Wisconsin, 1-3 June 2011

Comments

Copyright © 2011 Y. Yildiz, M.M. Sundaram, K.P. Rajurkar, M. Nalbant. Used by permission.

Abstract

In this study, beryllium-copper alloy was subjected to around -150° F for cold treatment and to around -300° F for cryogenic treatment and the effects of these cold and cryogenic treatments on the machinability of beryllium-copper workpieces in electro discharge machining have been investigated. Experimental results showed about 20-30 % increase in material removal rate of cold and cryogenic treated workipeces. Variations in electrode wear rate, surface roughness and average white layer thickness were found to be marginal.

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