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November 2016

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Subject:
From:
Joyce Koo <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Thu, 10 Nov 2016 14:27:15 -0500
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noted.  thanks.
> Galvanic series for "normal" metals is available everywhere.
>
> Sorry, never seen data for cermet. But this data is so basic that
> experimental set-up for measuring it is cheap and quick.
>
> A word of warning: Place in galvanic series is only part of the story.
> Some reactions immediately slow down to nearly negligible after they run
> for a little while because the reaction results in insulation. For
> example, stainless steel and aluminum work fine together. Other reactions
> seem to actually speed up once they get started: For example brass and
> aluminum (these are much closer in galvanic series than aluminum and
> stainless).
>
> Wayne
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Joyce Koo
> Sent: Thursday, November 10, 2016 9:28 AM
> To: [log in to unmask]
> Subject: [TN] i will start a question - anodic index
>
> Guys and Gurus,
> anyone got a copy of anodic index for metals and common cermet (ceramic
> metal, such as TiC and WC) for galvanic coupling?  I lost it since move to
> a smaller place (50% downsize physically for the room size and 30%
> downsize physically of my body size in terms of weight too ;-).  Many
> thanks.
>             jk
>

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