Drum cathode for use in the production of metal foils and a meth

Details Drum cathode for use in the production of metal foils and a meth Drum cathode for use in the production of metal foils and a meth

1992-04-01

1993-08-31

Tufariello, T. M.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C25D 1710

Patent

active

052405826

ABSTRACT:
The present invention provides a new and improved titanium metal drum cathode for use in the production of metal foils and a novel method of making the same. The method includes the steps of welding together the ends of a strip of titanium that has been roll formed into a cylinder. During the welding operation some of the weld beads that form the weld are hot peened immediately upon solidification. Upon complete formation of the weld, the formed and welded trip of titanium is subjected to a heat treating cycle that includes a double anneal. Preferably, the strip of titanium metal and the weld metal that is used to form the weld both comprise an addition agent such as yttria.

REFERENCES:
patent: 5017271 (1991-05-01), Whewell et al.
ASM Handbook, 9th Edition, Titanium, pp. 353-361, 368-373, 378-381, 408-411 and 414-415.

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