Classical but-for swap going on there....

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of David Hillman
Sent: Monday, January 26, 2015 4:38 PM
To: [log in to unmask]
Subject: Re: [TN] Nickel Question

Hi Victor - I don't have the NiB for for NiP, the hardness for a deposit in 
the 7-9% range is 550-600 kp/mm2.

Dave Hillman
Rockwell Collins
[log in to unmask]

On Mon, Jan 26, 2015 at 3:23 PM, Victor Hernandez < 
[log in to unmask]> wrote:

> Back to the original question about nickel hardness between Ni B and Ni P.
>
> Victor,
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
> Sent: Monday, January 26, 2015 2:02 PM
> To: [log in to unmask]
> Subject: Re: [TN] Nickel Question
>
> Usually, but not always. Oftentimes a tungsten/nickel/boron finish is
> electroplated instead of the more common chromium, and when
> electroplated it is much harder than the electroless plating (it is 
> generally thicker).
> But this is usually done for mechanical components.
>
> http://www.osti.gov/scitech/biblio/72974-QMzJhC/webviewable/
> http://asterionstc.com/tungsten-nickel-boron-electroplating-system/
>
> But I have never heard of electroplated TNB being used as a circuit
> board finish. I don't think you can solder to it, if that is what you are 
> asking.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Vladimir Igoshev
> Sent: Monday, January 26, 2015 6:53 AM
> To: [log in to unmask]
> Subject: Re: [TN] Nickel Question
>
> Victor,
>
> Ni-B is also electroless
>
> Vladimir
>
> Sent from my BlackBerry 10 smartphone on the Rogers network.
>   Original Message
> From: Victor Hernandez
> Sent: Monday, January 26, 2015 07:49
> To: [log in to unmask]
> Reply To: TechNet E-Mail Forum
> Subject: [TN] Nickel Question
>
> Fellow TechNetters:
>
> Does Ni boron (electroplated process) and Ni Phosphorous (ENIG
> process) have the same hardness?
>
> Victor,
>
>
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