[R-390] FrontPanelRestorationforChuck

[Roy Morgan]

On Jul 30, 2015, at 8:58 PM, Glenn Scott via R-390 <r-390 at mailman.qth.net> wrote:

> ... You should be ready to prime soon after you strip the panel since Aluminum starts to form oxides almost as soon as it is bare.

Actually much faster than that.

I've been told by a just-retired career EE and lab maven who *really* knows his materials and processes, that aluminum actually oxidizes within milliseconds upon being made really bare, as happens in abrasion or machining.  The first layer of oxidation is only a molecule or two thick, and we don’t normally see it.  Later, further oxidation that we can see is much deeper and thicker.  (I just trashed a two-penlight-cell Mag-Light flashlight because of totally corroded batteries.  I couldn’t even drill them out.)

Roy

Roy Morgan
k1lky68 at gmail.com
K1LKY Since 1958