Manufacture and use of ZrB.sub.2 /CU composite electrodes

Details Manufacture and use of ZrB.sub.2 /CU composite electrodes Manufacture and use of ZrB.sub.2 /CU composite electrodes

1996-08-02

1999-02-09

Jenkins, Daniel J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 27, 264 56, 264 60, 264 61, 264 63, 264434, 264497, B22F 326

Patent

active

058706631

ABSTRACT:
The invention relates to ZrB.sub.2 /Cu composites, and more specifically to methods of making ZrB.sub.2 /Cu composite electrodes and methods of using ZrB.sub.2 /Cu composite electrodes. ZrB.sub.2 powder is contacted with a polymer and shaped to a desired form. The polymer is vaporized and the ZrB.sub.2 powder is sintered. The sintered ZrB.sub.2 is contacted with Cu and heated above the melting point of Cu which causes the Cu to infiltrate the ZrB.sub.2, forming the ZrB.sub.2 /Cu composite electrode.

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Gadalla, A.M. and Cheng, Y., "Machining of Zirconium Diboride and Its Composites", Machining of Advanced Composites, Editors R. Ramulu and R. Komanduri, ASME, New York, MD-vol. 45/PED-vol. 66, pp. 207-216, (1993).

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