Process for electroless deposition of metals on zirconium materials
Patent
·
OSTI ID:863103
- Wilmington, NC
A process for the electroless deposition of a metal layer on an article comprised of zirconium or a zirconium alloy is disclosed. The article is activated in an aged aqueous solution comprising from about 10 to about 20 grams per liter ammonium bifluoride and from about 0.75 to about 2 grams per liter of sulfuric acid. The solution is aged by immersion of pickled zirconium in the solution for at least about 10 minutes. The loosely adhering film formed on the article in the activating step is removed and the article is contacted with an electroless plating solution containing the metal to be deposited on the article upon sufficient contact with the article.
- DOE Contract Number:
- EN-7-7C-02-4473
- Assignee:
- General Electric Company (San Jose, CA)
- Patent Number(s):
- US 4093756
- OSTI ID:
- 863103
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
process
electroless
deposition
metals
zirconium
materials
metal
layer
article
comprised
alloy
disclosed
activated
aged
aqueous
solution
comprising
10
20
grams
liter
ammonium
bifluoride
75
sulfuric
acid
immersion
pickled
minutes
loosely
adhering
film
formed
activating
step
removed
contacted
plating
containing
deposited
sufficient
contact
plating solution
activating step
electroless plating
zirconium alloy
metal layer
solution containing
aqueous solution
sulfuric acid
solution comprising
electroless deposition
article comprised
film formed
zirconium materials
zirconium material
aged aqueous
/427/148/216/252/376/
electroless
deposition
metals
zirconium
materials
metal
layer
article
comprised
alloy
disclosed
activated
aged
aqueous
solution
comprising
10
20
grams
liter
ammonium
bifluoride
75
sulfuric
acid
immersion
pickled
minutes
loosely
adhering
film
formed
activating
step
removed
contacted
plating
containing
deposited
sufficient
contact
plating solution
activating step
electroless plating
zirconium alloy
metal layer
solution containing
aqueous solution
sulfuric acid
solution comprising
electroless deposition
article comprised
film formed
zirconium materials
zirconium material
aged aqueous
/427/148/216/252/376/