Klarinet Archive - Posting 000131.txt from 2000/12

From: "Franklin Kercher" <kranwli@-----.net>
Subj: Re: [kl] Corrosion
Date: Sun, 3 Dec 2000 00:10:48 -0500

-----Original Message-----
From: Dee D. Hays <deehays@-----.net>
Date: Saturday, December 02, 2000 9:56 AM
Subject: Re: [kl] Corrosion

>
>----- Original Message -----
>From: "Doug Sears" <dsears@-----.net>
>To: "klarinet" <klarinet@-----.org>
>Sent: Thursday, November 30, 2000 7:51 PM
>Subject: Re: [kl] Corrosion
>
The use of copper for a base coat during plating is because copper is
very soft and can, after buffing, provide an even smoother surface for the
next layer of plating. It also provides better adhiesion between the base
metal and the harder plating materials (nickel, chrome) resulting in less
chipping or pealing.

>
>> >......My R13 started showing copper on four of the keys after a
>> >year...something that didn't happen with 3 decades on my 9*.
>>
>> Yeah, but I bet there was some plating worn through on your 9*, and it
>just
>> didn't show because the nickel was plated directly over the German
silver,
>> which has the same color. I don't know why Buffet plates copper under
>their
>> nickel; they must have some reason, but it sure makes worn plating more
>> obvious.
>
>
>Was the 9* even plated? While I cannot speak to that model, it was not
>uncommon at one time for clarinets to have keys that were "German silver"
>that were left unplated. That is the situation with my 1950s Leblanc
>Symphonie II.
>
>
>Dee Hays
>
>
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