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December 1999

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Subject:
From:
Carey Pico <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 2 Dec 1999 15:32:42 -0800
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Can you get a decent TiN coating with wet plating?  I thought that was a
vacuum process.

Carey
-----Original Message-----
From: Paul Klasek <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Thursday, December 02, 1999 2:46 PM
Subject: Re: [TN] anti-abrasion finish


>Why don't you try Ti Nitride coatings Ralph,
>there are 3-4 different colours/formulations (apart from the oldest goldish
>one);
>they're relatively cheap, work superbly ;
>it's basically a ceramic coat, with mildly different hardness ratios .
>Metal finish is always inferior to ceramic coats ;
>and those nowadays go even to engines = quite common .
>Microcrystalline alumina is way out of any metal's reach ;
>as you're moving just below diamond ceiling in carborundum strata .
>
>You can also get the part sintered fully from ceramic compound,
>if possible/necessary/affordable = pending application
>
>Let me know if you get stuck or need more details,
>with application
>
>Paul Klasek (aka the carbon fan [as all of us])
>ResMed
>
>PS
>The cer coats being hard are fragile = you still need a very good (hard)
>base,
>and treat the part as an egg .
>Than the polish (lengthy, automated, as glass polish) = smooth surface,
will
>lengthen the life of the surface.
>Still, keep in mind you're in 9.th (10.th diamond) scale with alumina,
>don't expect infinite service .
>
>PPS
>The synthetic diamond has been formed in few labs,
>but we'd be in straight vertical stratosphere on $'s .
>
>NB
>Just hook on search engines with "ceramic coats" and "ceramic tool bit (or
>tip)" ;
>should give you plenty options .
>Cer. tip could be the one for you
>
>
>-----Original Message-----
>From: Vaughan, Ralph H [mailto:[log in to unmask]]
>Sent: Friday, 3 December 1999 5:50
>To: [log in to unmask]
>Subject: [TN] anti-abrasion finish
>
>
>Hi TN,
>
>A follow-up query to a recent posting about sand-type abrasion for you
>metalheads (Dave H., you there?); Is there a metal finish that will
>withstand rubbing wear from aluminum oxide powder?  we have tried tungstun
>carbide and stellite with 'no joy'.    Any light bulbs going on?
>
>Thanks for thinking
>
>Ralph Vaughan
>
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