Nippon Tungusten Review

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2004  Volume 36 

Effects of the tungsten particle size and composition on the properties
Yusuke UCHIDA, Tetsuya OKAMOTO
Key words electrode, electric discharge machining, Cu-W alloy, particle size, composition


The effect of the W particle size and composition on the properties of Cu-W electrodes for electric discharge machining was surveyed. It was found that the smaller the W particle size and the lower the content of Copper in Cu-W alloy, the more excellent properties of Cu-W electrodes. It is considered that the size of Cu segregations in composite materials is dependent on the particle size of W powder and content of Cu and it changed the arc-discharge wear form.
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