Metal fusion bonding – Process – With removing or reshaping of filler material or flash after...
Patent
1993-05-03
1994-12-13
Ramsey, Kenneth J.
Metal fusion bonding
Process
With removing or reshaping of filler material or flash after...
228231, 22826271, 219128, 219137WM, B23K 3532
Patent
active
053722973
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: 2025922 (1935-12-01), Weinrich
patent: 3025816 (1962-03-01), McCoy
patent: 4476370 (1984-10-01), Kakihara
patent: 4491001 (1985-01-01), Yoshida et al.
patent: 5017271 (1991-05-01), Whewell et al.
patent: 5207371 (1993-05-01), Prinz et al.
ASM Handbook, 9th Edition, Titanium, pp. 353-361, 368-373, 378-381, 408-411 and 414-415.
Bay Adam G.
Chamberlain Jamie H.
Chiang Shiuh-kao
Gould Electronics Inc.
Ramsey Kenneth J.
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