Metal fusion bonding – Process – With protecting of work or filler or applying flux
Patent
1993-02-22
1994-04-05
Bradley, Paula A.
Metal fusion bonding
Process
With protecting of work or filler or applying flux
228220, 427452, 427580, 21912133, 21912151, B23K 916, B23K 35365, B23K 3538
Patent
active
052997316
ABSTRACT:
A process for welding stainless steel tubing in the presence of an inert gas comprising a silicon base gas, in particular silane SiH.sub.4. During the welding operation, a suitable quantity of silicon is deposited by chemical vapor deposition at the weld joint to significantly improve the corrosion resistance of the weld.
REFERENCES:
patent: 4646958 (1987-03-01), Howard, Jr.
"Plasma Deposition of Amorphous Silicon," NASA Tech. Briefs, Spring 1981, p. 42.
Boireau Alain
Chevrel Henri
Friedt Jean-Marie
Liyanage A. Nimal
Bradley Paula A.
Knapp Jeffrey T.
L'Air Liquide
Wittenberg Malcolm B.
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