Re: Atmospheric Effect on Dendrite Growth

On Wed, 20 Jul 2005 09:16:04 +0200, Dieter Britz wrote:

> WAYNEL wrote:
>> I am trying to calculate if the atmosphere has an affect on the growth
>> of dendrites, e.g. copper. Eliminating the atmosphere and growing
>> dendrites in a vacuum may prove to be difficult to run, as the
>> electrolyte will outgas and thus evaporate.
>> However, if a test was constructed using Argon or any other inert gas
>> would one notice an effect?
>> Consider another test. Rather than using an inert gas, used CO2, could
>> this effect the growth of a dendrite.
>> Are there papers on the atmospheric effect on dendrite growths?
>> Can anyone propose any potential effects the atmosphere may have?
>> Or is the electrolyte the "dendrite's atmosphere" and this
>> vehicle may pick up atmospheric contaminates that could produces
>> various species?
>
> Oxygen would of course be reduced along with Cu++, and it's
> hard to say whether this could affect dendrite growth. My guess
> is not, but I can't be sure. Since you are experimenting with it,
> try it out. Certainly I would be pretty confident that an Ar
> atmosphere would not affect dendrites, as Ar is inert, and it is
> hard to see how the small ampount that would dissolve in the
> electrolyte could have any effect at all. CO2 - well, hard to say.
> It would affect the pH, and that itself might cause a change.

What is going on with this thread? My reader is choking on it big time.
Won't dwonload any headers after this one:(

Bob

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